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Finding the Fourth Proportional to 124,878.94, 187,279.53 and 41,753.50

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Solution

The fourth proportional to 124,878.94, 187,279.53 and 41,753.50 is: 62,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,878.94 : 187,279.53 = 41,753.50 : x
  2. Step 2: Convert to fraction form
    124,878.94/187,279.53 = 41,753.50/x
  3. Step 3: Cross multiply
    124,878.94x = 187,279.53 × 41,753.50
  4. Step 4: Simplify right side
    124,878.94x = 7,819,575,855.86
  5. Step 5: Solve for x
    x = 7,819,575,855.86/124,878.94
  6. Step 6: Final answer
    x = 62,617.25

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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.