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Finding the Fourth Proportional to 88,654.55, 133,052.69 and 45,972.11

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Solution

The fourth proportional to 88,654.55, 133,052.69 and 45,972.11 is: 68,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.55 : 133,052.69 = 45,972.11 : x
  2. Step 2: Convert to fraction form
    88,654.55/133,052.69 = 45,972.11/x
  3. Step 3: Cross multiply
    88,654.55x = 133,052.69 × 45,972.11
  4. Step 4: Simplify right side
    88,654.55x = 6,116,712,177.75
  5. Step 5: Solve for x
    x = 6,116,712,177.75/88,654.55
  6. Step 6: Final answer
    x = 68,994.91

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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.