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Finding the Fourth Proportional to 88,966.92, 122,818.78 and 51,233.88

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Solution

The fourth proportional to 88,966.92, 122,818.78 and 51,233.88 is: 70,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,966.92 : 122,818.78 = 51,233.88 : x
  2. Step 2: Convert to fraction form
    88,966.92/122,818.78 = 51,233.88/x
  3. Step 3: Cross multiply
    88,966.92x = 122,818.78 × 51,233.88
  4. Step 4: Simplify right side
    88,966.92x = 6,292,482,636.27
  5. Step 5: Solve for x
    x = 6,292,482,636.27/88,966.92
  6. Step 6: Final answer
    x = 70,728.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.