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Finding the Fourth Proportional to 240,909.75, 361,386.90 and 63,417.69

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Solution

The fourth proportional to 240,909.75, 361,386.90 and 63,417.69 is: 95,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,909.75 : 361,386.90 = 63,417.69 : x
  2. Step 2: Convert to fraction form
    240,909.75/361,386.90 = 63,417.69/x
  3. Step 3: Cross multiply
    240,909.75x = 361,386.90 × 63,417.69
  4. Step 4: Simplify right side
    240,909.75x = 22,918,322,394.26
  5. Step 5: Solve for x
    x = 22,918,322,394.26/240,909.75
  6. Step 6: Final answer
    x = 95,132.40

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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.