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Finding the Fourth Proportional to 125,603.40, 188,390.04 and 41,342.61

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Solution

The fourth proportional to 125,603.40, 188,390.04 and 41,342.61 is: 62,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,603.40 : 188,390.04 = 41,342.61 : x
  2. Step 2: Convert to fraction form
    125,603.40/188,390.04 = 41,342.61/x
  3. Step 3: Cross multiply
    125,603.40x = 188,390.04 × 41,342.61
  4. Step 4: Simplify right side
    125,603.40x = 7,788,535,009.65
  5. Step 5: Solve for x
    x = 7,788,535,009.65/125,603.40
  6. Step 6: Final answer
    x = 62,008.95

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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.