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Finding the Fourth Proportional to 88,663.50, 133,020.25 and 36,110.70

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Solution

The fourth proportional to 88,663.50, 133,020.25 and 36,110.70 is: 54,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,663.50 : 133,020.25 = 36,110.70 : x
  2. Step 2: Convert to fraction form
    88,663.50/133,020.25 = 36,110.70/x
  3. Step 3: Cross multiply
    88,663.50x = 133,020.25 × 36,110.70
  4. Step 4: Simplify right side
    88,663.50x = 4,803,454,341.68
  5. Step 5: Solve for x
    x = 4,803,454,341.68/88,663.50
  6. Step 6: Final answer
    x = 54,176.23

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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.