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Finding the Fourth Proportional to 125,165.79, 187,760.23 and 40,926.39

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Solution

The fourth proportional to 125,165.79, 187,760.23 and 40,926.39 is: 61,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,165.79 : 187,760.23 = 40,926.39 : x
  2. Step 2: Convert to fraction form
    125,165.79/187,760.23 = 40,926.39/x
  3. Step 3: Cross multiply
    125,165.79x = 187,760.23 × 40,926.39
  4. Step 4: Simplify right side
    125,165.79x = 7,684,347,593.05
  5. Step 5: Solve for x
    x = 7,684,347,593.05/125,165.79
  6. Step 6: Final answer
    x = 61,393.35

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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.