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Finding the Fourth Proportional to 95,294.40, 142,941.60 and 86,546.40

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Solution

The fourth proportional to 95,294.40, 142,941.60 and 86,546.40 is: 129,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,294.40 : 142,941.60 = 86,546.40 : x
  2. Step 2: Convert to fraction form
    95,294.40/142,941.60 = 86,546.40/x
  3. Step 3: Cross multiply
    95,294.40x = 142,941.60 × 86,546.40
  4. Step 4: Simplify right side
    95,294.40x = 12,371,080,890.24
  5. Step 5: Solve for x
    x = 12,371,080,890.24/95,294.40
  6. Step 6: Final answer
    x = 129,819.60

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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.