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Finding the Fourth Proportional to 82,008.95, 122,564.05 and 59,868.95

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Solution

The fourth proportional to 82,008.95, 122,564.05 and 59,868.95 is: 89,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,008.95 : 122,564.05 = 59,868.95 : x
  2. Step 2: Convert to fraction form
    82,008.95/122,564.05 = 59,868.95/x
  3. Step 3: Cross multiply
    82,008.95x = 122,564.05 × 59,868.95
  4. Step 4: Simplify right side
    82,008.95x = 7,337,780,981.25
  5. Step 5: Solve for x
    x = 7,337,780,981.25/82,008.95
  6. Step 6: Final answer
    x = 89,475.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.