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Finding the Fourth Proportional to 62,304.29, 92,979.64 and 55,655.81

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Solution

The fourth proportional to 62,304.29, 92,979.64 and 55,655.81 is: 83,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,304.29 : 92,979.64 = 55,655.81 : x
  2. Step 2: Convert to fraction form
    62,304.29/92,979.64 = 55,655.81/x
  3. Step 3: Cross multiply
    62,304.29x = 92,979.64 × 55,655.81
  4. Step 4: Simplify right side
    62,304.29x = 5,174,856,434.53
  5. Step 5: Solve for x
    x = 5,174,856,434.53/62,304.29
  6. Step 6: Final answer
    x = 83,057.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.