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Finding the Fourth Proportional to 173,248.50, 239,083.05 and 93,760.50

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Solution

The fourth proportional to 173,248.50, 239,083.05 and 93,760.50 is: 129,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.50 : 239,083.05 = 93,760.50 : x
  2. Step 2: Convert to fraction form
    173,248.50/239,083.05 = 93,760.50/x
  3. Step 3: Cross multiply
    173,248.50x = 239,083.05 × 93,760.50
  4. Step 4: Simplify right side
    173,248.50x = 22,416,546,309.53
  5. Step 5: Solve for x
    x = 22,416,546,309.53/173,248.50
  6. Step 6: Final answer
    x = 129,389.55

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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.