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Finding the Fourth Proportional to 125,657.01, 188,494.47 and 41,417.82

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Solution

The fourth proportional to 125,657.01, 188,494.47 and 41,417.82 is: 62,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,657.01 : 188,494.47 = 41,417.82 : x
  2. Step 2: Convert to fraction form
    125,657.01/188,494.47 = 41,417.82/x
  3. Step 3: Cross multiply
    125,657.01x = 188,494.47 × 41,417.82
  4. Step 4: Simplify right side
    125,657.01x = 7,807,030,029.46
  5. Step 5: Solve for x
    x = 7,807,030,029.46/125,657.01
  6. Step 6: Final answer
    x = 62,129.68

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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.