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Finding the Fourth Proportional to 170,358.72, 235,105.68 and 93,877.74

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Solution

The fourth proportional to 170,358.72, 235,105.68 and 93,877.74 is: 129,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,358.72 : 235,105.68 = 93,877.74 : x
  2. Step 2: Convert to fraction form
    170,358.72/235,105.68 = 93,877.74/x
  3. Step 3: Cross multiply
    170,358.72x = 235,105.68 × 93,877.74
  4. Step 4: Simplify right side
    170,358.72x = 22,071,189,899.56
  5. Step 5: Solve for x
    x = 22,071,189,899.56/170,358.72
  6. Step 6: Final answer
    x = 129,557.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.