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Finding the Fourth Proportional to 95,691.76, 143,495.80 and 48,277.68

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Solution

The fourth proportional to 95,691.76, 143,495.80 and 48,277.68 is: 72,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691.76 : 143,495.80 = 48,277.68 : x
  2. Step 2: Convert to fraction form
    95,691.76/143,495.80 = 48,277.68/x
  3. Step 3: Cross multiply
    95,691.76x = 143,495.80 × 48,277.68
  4. Step 4: Simplify right side
    95,691.76x = 6,927,644,313.74
  5. Step 5: Solve for x
    x = 6,927,644,313.74/95,691.76
  6. Step 6: Final answer
    x = 72,395.41

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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.