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Finding the Fourth Proportional to 88,723.30, 133,084.95 and 60,729.70

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Solution

The fourth proportional to 88,723.30, 133,084.95 and 60,729.70 is: 91,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,723.30 : 133,084.95 = 60,729.70 : x
  2. Step 2: Convert to fraction form
    88,723.30/133,084.95 = 60,729.70/x
  3. Step 3: Cross multiply
    88,723.30x = 133,084.95 × 60,729.70
  4. Step 4: Simplify right side
    88,723.30x = 8,082,209,088.02
  5. Step 5: Solve for x
    x = 8,082,209,088.02/88,723.30
  6. Step 6: Final answer
    x = 91,094.55

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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.