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Finding the Fourth Proportional to 103,569.76, 155,105.43 and 59,061.61

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Solution

The fourth proportional to 103,569.76, 155,105.43 and 59,061.61 is: 88,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.76 : 155,105.43 = 59,061.61 : x
  2. Step 2: Convert to fraction form
    103,569.76/155,105.43 = 59,061.61/x
  3. Step 3: Cross multiply
    103,569.76x = 155,105.43 × 59,061.61
  4. Step 4: Simplify right side
    103,569.76x = 9,160,776,415.54
  5. Step 5: Solve for x
    x = 9,160,776,415.54/103,569.76
  6. Step 6: Final answer
    x = 88,450.30

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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.