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Finding the Fourth Proportional to 125,753.28, 173,611.29 and 83,369.22

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Solution

The fourth proportional to 125,753.28, 173,611.29 and 83,369.22 is: 115,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,753.28 : 173,611.29 = 83,369.22 : x
  2. Step 2: Convert to fraction form
    125,753.28/173,611.29 = 83,369.22/x
  3. Step 3: Cross multiply
    125,753.28x = 173,611.29 × 83,369.22
  4. Step 4: Simplify right side
    125,753.28x = 14,473,837,830.49
  5. Step 5: Solve for x
    x = 14,473,837,830.49/125,753.28
  6. Step 6: Final answer
    x = 115,097.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.