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Finding the Fourth Proportional to 124,296.90, 186,469.65 and 49,404.30

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Solution

The fourth proportional to 124,296.90, 186,469.65 and 49,404.30 is: 74,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,296.90 : 186,469.65 = 49,404.30 : x
  2. Step 2: Convert to fraction form
    124,296.90/186,469.65 = 49,404.30/x
  3. Step 3: Cross multiply
    124,296.90x = 186,469.65 × 49,404.30
  4. Step 4: Simplify right side
    124,296.90x = 9,212,402,529.50
  5. Step 5: Solve for x
    x = 9,212,402,529.50/124,296.90
  6. Step 6: Final answer
    x = 74,116.11

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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.