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Finding the Fourth Proportional to 125,170.67, 187,733.57 and 35,191.81

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Solution

The fourth proportional to 125,170.67, 187,733.57 and 35,191.81 is: 52,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.67 : 187,733.57 = 35,191.81 : x
  2. Step 2: Convert to fraction form
    125,170.67/187,733.57 = 35,191.81/x
  3. Step 3: Cross multiply
    125,170.67x = 187,733.57 × 35,191.81
  4. Step 4: Simplify right side
    125,170.67x = 6,606,683,326.72
  5. Step 5: Solve for x
    x = 6,606,683,326.72/125,170.67
  6. Step 6: Final answer
    x = 52,781.40

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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.