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Finding the Fourth Proportional to 114,737.40, 172,154.70 and 55,542.60

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Solution

The fourth proportional to 114,737.40, 172,154.70 and 55,542.60 is: 83,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,737.40 : 172,154.70 = 55,542.60 : x
  2. Step 2: Convert to fraction form
    114,737.40/172,154.70 = 55,542.60/x
  3. Step 3: Cross multiply
    114,737.40x = 172,154.70 × 55,542.60
  4. Step 4: Simplify right side
    114,737.40x = 9,561,919,640.22
  5. Step 5: Solve for x
    x = 9,561,919,640.22/114,737.40
  6. Step 6: Final answer
    x = 83,337.43

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1.5x scale

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.