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Finding the Fourth Proportional to 112,334,839.40, 168,250,316.70 and 112,334,839.40

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Solution

The fourth proportional to 112,334,839.40, 168,250,316.70 and 112,334,839.40 is: 168,250,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,839.40 : 168,250,316.70 = 112,334,839.40 : x
  2. Step 2: Convert to fraction form
    112,334,839.40/168,250,316.70 = 112,334,839.40/x
  3. Step 3: Cross multiply
    112,334,839.40x = 168,250,316.70 × 112,334,839.40
  4. Step 4: Simplify right side
    112,334,839.40x = 18,900,372,305,493,636
  5. Step 5: Solve for x
    x = 18,900,372,305,493,636/112,334,839.40
  6. Step 6: Final answer
    x = 168,250,316.70

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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.