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Finding the Fourth Proportional to 173,049.50, 238,808.32 and 93,561.50

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Solution

The fourth proportional to 173,049.50, 238,808.32 and 93,561.50 is: 129,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,049.50 : 238,808.32 = 93,561.50 : x
  2. Step 2: Convert to fraction form
    173,049.50/238,808.32 = 93,561.50/x
  3. Step 3: Cross multiply
    173,049.50x = 238,808.32 × 93,561.50
  4. Step 4: Simplify right side
    173,049.50x = 22,343,264,631.68
  5. Step 5: Solve for x
    x = 22,343,264,631.68/173,049.50
  6. Step 6: Final answer
    x = 129,114.88

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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.