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Finding the Fourth Proportional to 73,499.92, 110,339.52 and 48,561.28

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Solution

The fourth proportional to 73,499.92, 110,339.52 and 48,561.28 is: 72,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,499.92 : 110,339.52 = 48,561.28 : x
  2. Step 2: Convert to fraction form
    73,499.92/110,339.52 = 48,561.28/x
  3. Step 3: Cross multiply
    73,499.92x = 110,339.52 × 48,561.28
  4. Step 4: Simplify right side
    73,499.92x = 5,358,228,325.79
  5. Step 5: Solve for x
    x = 5,358,228,325.79/73,499.92
  6. Step 6: Final answer
    x = 72,901.15

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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.