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Finding the Fourth Proportional to 98,574.92, 136,033.38 and 53,862.92

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Solution

The fourth proportional to 98,574.92, 136,033.38 and 53,862.92 is: 74,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,574.92 : 136,033.38 = 53,862.92 : x
  2. Step 2: Convert to fraction form
    98,574.92/136,033.38 = 53,862.92/x
  3. Step 3: Cross multiply
    98,574.92x = 136,033.38 × 53,862.92
  4. Step 4: Simplify right side
    98,574.92x = 7,327,155,064.27
  5. Step 5: Solve for x
    x = 7,327,155,064.27/98,574.92
  6. Step 6: Final answer
    x = 74,330.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.