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Finding the Fourth Proportional to 134,737.70, 202,179.45 and 55,859.90

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Solution

The fourth proportional to 134,737.70, 202,179.45 and 55,859.90 is: 83,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,737.70 : 202,179.45 = 55,859.90 : x
  2. Step 2: Convert to fraction form
    134,737.70/202,179.45 = 55,859.90/x
  3. Step 3: Cross multiply
    134,737.70x = 202,179.45 × 55,859.90
  4. Step 4: Simplify right side
    134,737.70x = 11,293,723,859.06
  5. Step 5: Solve for x
    x = 11,293,723,859.06/134,737.70
  6. Step 6: Final answer
    x = 83,820.07

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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.