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Finding the Fourth Proportional to 173,220.50, 239,045.01 and 93,732.50

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Solution

The fourth proportional to 173,220.50, 239,045.01 and 93,732.50 is: 129,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.50 : 239,045.01 = 93,732.50 : x
  2. Step 2: Convert to fraction form
    173,220.50/239,045.01 = 93,732.50/x
  3. Step 3: Cross multiply
    173,220.50x = 239,045.01 × 93,732.50
  4. Step 4: Simplify right side
    173,220.50x = 22,406,286,399.83
  5. Step 5: Solve for x
    x = 22,406,286,399.83/173,220.50
  6. Step 6: Final answer
    x = 129,351.24

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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.