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Finding the Fourth Proportional to 125,044.20, 187,590.60 and 36,300.60

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Solution

The fourth proportional to 125,044.20, 187,590.60 and 36,300.60 is: 54,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.20 : 187,590.60 = 36,300.60 : x
  2. Step 2: Convert to fraction form
    125,044.20/187,590.60 = 36,300.60/x
  3. Step 3: Cross multiply
    125,044.20x = 187,590.60 × 36,300.60
  4. Step 4: Simplify right side
    125,044.20x = 6,809,651,334.36
  5. Step 5: Solve for x
    x = 6,809,651,334.36/125,044.20
  6. Step 6: Final answer
    x = 54,457.95

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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.