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Finding the Fourth Proportional to 316,155.54, 474,233.31 and 129,167.04

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Solution

The fourth proportional to 316,155.54, 474,233.31 and 129,167.04 is: 193,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,155.54 : 474,233.31 = 129,167.04 : x
  2. Step 2: Convert to fraction form
    316,155.54/474,233.31 = 129,167.04/x
  3. Step 3: Cross multiply
    316,155.54x = 474,233.31 × 129,167.04
  4. Step 4: Simplify right side
    316,155.54x = 61,255,312,922.10
  5. Step 5: Solve for x
    x = 61,255,312,922.10/316,155.54
  6. Step 6: Final answer
    x = 193,750.56

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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.