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Finding the Fourth Proportional to 125,937.63, 188,943.20 and 47,033.71

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Solution

The fourth proportional to 125,937.63, 188,943.20 and 47,033.71 is: 70,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.63 : 188,943.20 = 47,033.71 : x
  2. Step 2: Convert to fraction form
    125,937.63/188,943.20 = 47,033.71/x
  3. Step 3: Cross multiply
    125,937.63x = 188,943.20 × 47,033.71
  4. Step 4: Simplify right side
    125,937.63x = 8,886,699,792.86
  5. Step 5: Solve for x
    x = 8,886,699,792.86/125,937.63
  6. Step 6: Final answer
    x = 70,564.29

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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.