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Finding the Fourth Proportional to 124,897.80, 187,356.48 and 36,152.64

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Solution

The fourth proportional to 124,897.80, 187,356.48 and 36,152.64 is: 54,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897.80 : 187,356.48 = 36,152.64 : x
  2. Step 2: Convert to fraction form
    124,897.80/187,356.48 = 36,152.64/x
  3. Step 3: Cross multiply
    124,897.80x = 187,356.48 × 36,152.64
  4. Step 4: Simplify right side
    124,897.80x = 6,773,431,373.11
  5. Step 5: Solve for x
    x = 6,773,431,373.11/124,897.80
  6. Step 6: Final answer
    x = 54,231.79

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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.