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Finding the Fourth Proportional to 125,062.65, 187,574.27 and 40,822.38

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Solution

The fourth proportional to 125,062.65, 187,574.27 and 40,822.38 is: 61,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,062.65 : 187,574.27 = 40,822.38 : x
  2. Step 2: Convert to fraction form
    125,062.65/187,574.27 = 40,822.38/x
  3. Step 3: Cross multiply
    125,062.65x = 187,574.27 × 40,822.38
  4. Step 4: Simplify right side
    125,062.65x = 7,657,227,924.05
  5. Step 5: Solve for x
    x = 7,657,227,924.05/125,062.65
  6. Step 6: Final answer
    x = 61,227.14

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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.