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Finding the Fourth Proportional to 240,063.30, 360,320.88 and 121,819.50

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Solution

The fourth proportional to 240,063.30, 360,320.88 and 121,819.50 is: 182,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,063.30 : 360,320.88 = 121,819.50 : x
  2. Step 2: Convert to fraction form
    240,063.30/360,320.88 = 121,819.50/x
  3. Step 3: Cross multiply
    240,063.30x = 360,320.88 × 121,819.50
  4. Step 4: Simplify right side
    240,063.30x = 43,894,109,441.16
  5. Step 5: Solve for x
    x = 43,894,109,441.16/240,063.30
  6. Step 6: Final answer
    x = 182,843.90

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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.