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Finding the Fourth Proportional to 136,616.73, 204,875.73 and 57,737.10

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Solution

The fourth proportional to 136,616.73, 204,875.73 and 57,737.10 is: 86,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,616.73 : 204,875.73 = 57,737.10 : x
  2. Step 2: Convert to fraction form
    136,616.73/204,875.73 = 57,737.10/x
  3. Step 3: Cross multiply
    136,616.73x = 204,875.73 × 57,737.10
  4. Step 4: Simplify right side
    136,616.73x = 11,828,931,278.87
  5. Step 5: Solve for x
    x = 11,828,931,278.87/136,616.73
  6. Step 6: Final answer
    x = 86,584.80

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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.