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Finding the Fourth Proportional to 88,892.10, 133,294.95 and 49,407.30

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Solution

The fourth proportional to 88,892.10, 133,294.95 and 49,407.30 is: 74,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892.10 : 133,294.95 = 49,407.30 : x
  2. Step 2: Convert to fraction form
    88,892.10/133,294.95 = 49,407.30/x
  3. Step 3: Cross multiply
    88,892.10x = 133,294.95 × 49,407.30
  4. Step 4: Simplify right side
    88,892.10x = 6,585,743,583.14
  5. Step 5: Solve for x
    x = 6,585,743,583.14/88,892.10
  6. Step 6: Final answer
    x = 74,086.94

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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.