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Finding the Fourth Proportional to 242,215.20, 363,279.60 and 153,309.60

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Solution

The fourth proportional to 242,215.20, 363,279.60 and 153,309.60 is: 229,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215.20 : 363,279.60 = 153,309.60 : x
  2. Step 2: Convert to fraction form
    242,215.20/363,279.60 = 153,309.60/x
  3. Step 3: Cross multiply
    242,215.20x = 363,279.60 × 153,309.60
  4. Step 4: Simplify right side
    242,215.20x = 55,694,250,164.16
  5. Step 5: Solve for x
    x = 55,694,250,164.16/242,215.20
  6. Step 6: Final answer
    x = 229,937.06

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1.5x scale

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.