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Finding the Fourth Proportional to 124,374.52, 186,590.94 and 49,499.20

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Solution

The fourth proportional to 124,374.52, 186,590.94 and 49,499.20 is: 74,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.52 : 186,590.94 = 49,499.20 : x
  2. Step 2: Convert to fraction form
    124,374.52/186,590.94 = 49,499.20/x
  3. Step 3: Cross multiply
    124,374.52x = 186,590.94 × 49,499.20
  4. Step 4: Simplify right side
    124,374.52x = 9,236,101,076.80
  5. Step 5: Solve for x
    x = 9,236,101,076.80/124,374.52
  6. Step 6: Final answer
    x = 74,260.40

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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.