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Finding the Fourth Proportional to 77,497.60, 116,135.52 and 44,148.82

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Solution

The fourth proportional to 77,497.60, 116,135.52 and 44,148.82 is: 66,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,497.60 : 116,135.52 = 44,148.82 : x
  2. Step 2: Convert to fraction form
    77,497.60/116,135.52 = 44,148.82/x
  3. Step 3: Cross multiply
    77,497.60x = 116,135.52 × 44,148.82
  4. Step 4: Simplify right side
    77,497.60x = 5,127,246,168.09
  5. Step 5: Solve for x
    x = 5,127,246,168.09/77,497.60
  6. Step 6: Final answer
    x = 66,160.06

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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.