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Finding the Fourth Proportional to 77,930.22, 116,909.10 and 25,330.44

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Solution

The fourth proportional to 77,930.22, 116,909.10 and 25,330.44 is: 38,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.22 : 116,909.10 = 25,330.44 : x
  2. Step 2: Convert to fraction form
    77,930.22/116,909.10 = 25,330.44/x
  3. Step 3: Cross multiply
    77,930.22x = 116,909.10 × 25,330.44
  4. Step 4: Simplify right side
    77,930.22x = 2,961,358,943.00
  5. Step 5: Solve for x
    x = 2,961,358,943.00/77,930.22
  6. Step 6: Final answer
    x = 38,000.14

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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.