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Finding the Fourth Proportional to 310,349.92, 465,529.20 and 88,733.92

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Solution

The fourth proportional to 310,349.92, 465,529.20 and 88,733.92 is: 133,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,349.92 : 465,529.20 = 88,733.92 : x
  2. Step 2: Convert to fraction form
    310,349.92/465,529.20 = 88,733.92/x
  3. Step 3: Cross multiply
    310,349.92x = 465,529.20 × 88,733.92
  4. Step 4: Simplify right side
    310,349.92x = 41,308,230,790.46
  5. Step 5: Solve for x
    x = 41,308,230,790.46/310,349.92
  6. Step 6: Final answer
    x = 133,102.12

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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.