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Finding the Fourth Proportional to 125,573.85, 188,386.72 and 41,339.06

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Solution

The fourth proportional to 125,573.85, 188,386.72 and 41,339.06 is: 62,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,573.85 : 188,386.72 = 41,339.06 : x
  2. Step 2: Convert to fraction form
    125,573.85/188,386.72 = 41,339.06/x
  3. Step 3: Cross multiply
    125,573.85x = 188,386.72 × 41,339.06
  4. Step 4: Simplify right side
    125,573.85x = 7,787,730,874.66
  5. Step 5: Solve for x
    x = 7,787,730,874.66/125,573.85
  6. Step 6: Final answer
    x = 62,017.14

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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.