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Finding the Fourth Proportional to 125,173.68, 187,738.07 and 35,194.82

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Solution

The fourth proportional to 125,173.68, 187,738.07 and 35,194.82 is: 52,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,173.68 : 187,738.07 = 35,194.82 : x
  2. Step 2: Convert to fraction form
    125,173.68/187,738.07 = 35,194.82/x
  3. Step 3: Cross multiply
    125,173.68x = 187,738.07 × 35,194.82
  4. Step 4: Simplify right side
    125,173.68x = 6,607,406,466.13
  5. Step 5: Solve for x
    x = 6,607,406,466.13/125,173.68
  6. Step 6: Final answer
    x = 52,785.91

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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.