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Finding the Fourth Proportional to 106,737.77, 160,100.88 and 54,145.89

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Solution

The fourth proportional to 106,737.77, 160,100.88 and 54,145.89 is: 81,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,737.77 : 160,100.88 = 54,145.89 : x
  2. Step 2: Convert to fraction form
    106,737.77/160,100.88 = 54,145.89/x
  3. Step 3: Cross multiply
    106,737.77x = 160,100.88 × 54,145.89
  4. Step 4: Simplify right side
    106,737.77x = 8,668,804,637.38
  5. Step 5: Solve for x
    x = 8,668,804,637.38/106,737.77
  6. Step 6: Final answer
    x = 81,215.91

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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.