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Finding the Fourth Proportional to 98,350.76, 147,277.02 and 60,983.81

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Solution

The fourth proportional to 98,350.76, 147,277.02 and 60,983.81 is: 91,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,350.76 : 147,277.02 = 60,983.81 : x
  2. Step 2: Convert to fraction form
    98,350.76/147,277.02 = 60,983.81/x
  3. Step 3: Cross multiply
    98,350.76x = 147,277.02 × 60,983.81
  4. Step 4: Simplify right side
    98,350.76x = 8,981,514,178.10
  5. Step 5: Solve for x
    x = 8,981,514,178.10/98,350.76
  6. Step 6: Final answer
    x = 91,321.25

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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.