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Finding the Fourth Proportional to 88,920.16, 133,232.16 and 62,569.54

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Solution

The fourth proportional to 88,920.16, 133,232.16 and 62,569.54 is: 93,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.16 : 133,232.16 = 62,569.54 : x
  2. Step 2: Convert to fraction form
    88,920.16/133,232.16 = 62,569.54/x
  3. Step 3: Cross multiply
    88,920.16x = 133,232.16 × 62,569.54
  4. Step 4: Simplify right side
    88,920.16x = 8,336,274,964.41
  5. Step 5: Solve for x
    x = 8,336,274,964.41/88,920.16
  6. Step 6: Final answer
    x = 93,750.11

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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.