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Finding the Fourth Proportional to 112,341,744.40, 168,512,616.60 and 112,341,744.40

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Solution

The fourth proportional to 112,341,744.40, 168,512,616.60 and 112,341,744.40 is: 168,512,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341,744.40 : 168,512,616.60 = 112,341,744.40 : x
  2. Step 2: Convert to fraction form
    112,341,744.40/168,512,616.60 = 112,341,744.40/x
  3. Step 3: Cross multiply
    112,341,744.40x = 168,512,616.60 × 112,341,744.40
  4. Step 4: Simplify right side
    112,341,744.40x = 18,931,001,302,252,396
  5. Step 5: Solve for x
    x = 18,931,001,302,252,396/112,341,744.40
  6. Step 6: Final answer
    x = 168,512,616.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.