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Finding the Fourth Proportional to 77,449.60, 116,001.60 and 63,625.60

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Solution

The fourth proportional to 77,449.60, 116,001.60 and 63,625.60 is: 95,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,449.60 : 116,001.60 = 63,625.60 : x
  2. Step 2: Convert to fraction form
    77,449.60/116,001.60 = 63,625.60/x
  3. Step 3: Cross multiply
    77,449.60x = 116,001.60 × 63,625.60
  4. Step 4: Simplify right side
    77,449.60x = 7,380,671,400.96
  5. Step 5: Solve for x
    x = 7,380,671,400.96/77,449.60
  6. Step 6: Final answer
    x = 95,296.44

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1.5x scale

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.