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Finding the Fourth Proportional to 88,583.40, 133,028.70 and 62,471.40

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Solution

The fourth proportional to 88,583.40, 133,028.70 and 62,471.40 is: 93,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,583.40 : 133,028.70 = 62,471.40 : x
  2. Step 2: Convert to fraction form
    88,583.40/133,028.70 = 62,471.40/x
  3. Step 3: Cross multiply
    88,583.40x = 133,028.70 × 62,471.40
  4. Step 4: Simplify right side
    88,583.40x = 8,310,489,129.18
  5. Step 5: Solve for x
    x = 8,310,489,129.18/88,583.40
  6. Step 6: Final answer
    x = 93,815.42

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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.