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Finding the Fourth Proportional to 112,513.60, 168,770.40 and 29,407.60

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Solution

The fourth proportional to 112,513.60, 168,770.40 and 29,407.60 is: 44,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,513.60 : 168,770.40 = 29,407.60 : x
  2. Step 2: Convert to fraction form
    112,513.60/168,770.40 = 29,407.60/x
  3. Step 3: Cross multiply
    112,513.60x = 168,770.40 × 29,407.60
  4. Step 4: Simplify right side
    112,513.60x = 4,963,132,415.04
  5. Step 5: Solve for x
    x = 4,963,132,415.04/112,513.60
  6. Step 6: Final answer
    x = 44,111.40

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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.