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Finding the Fourth Proportional to 84,808.76, 127,234.49 and 59,897.61

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Solution

The fourth proportional to 84,808.76, 127,234.49 and 59,897.61 is: 89,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,808.76 : 127,234.49 = 59,897.61 : x
  2. Step 2: Convert to fraction form
    84,808.76/127,234.49 = 59,897.61/x
  3. Step 3: Cross multiply
    84,808.76x = 127,234.49 × 59,897.61
  4. Step 4: Simplify right side
    84,808.76x = 7,621,041,561.08
  5. Step 5: Solve for x
    x = 7,621,041,561.08/84,808.76
  6. Step 6: Final answer
    x = 89,861.50

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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.