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Finding the Fourth Proportional to 125,167.34, 187,762.56 and 40,927.94

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Solution

The fourth proportional to 125,167.34, 187,762.56 and 40,927.94 is: 61,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.34 : 187,762.56 = 40,927.94 : x
  2. Step 2: Convert to fraction form
    125,167.34/187,762.56 = 40,927.94/x
  3. Step 3: Cross multiply
    125,167.34x = 187,762.56 × 40,927.94
  4. Step 4: Simplify right side
    125,167.34x = 7,684,734,789.93
  5. Step 5: Solve for x
    x = 7,684,734,789.93/125,167.34
  6. Step 6: Final answer
    x = 61,395.69

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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.