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Finding the Fourth Proportional to 243,081.20, 364,749.78 and 124,752.44

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Solution

The fourth proportional to 243,081.20, 364,749.78 and 124,752.44 is: 187,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,081.20 : 364,749.78 = 124,752.44 : x
  2. Step 2: Convert to fraction form
    243,081.20/364,749.78 = 124,752.44/x
  3. Step 3: Cross multiply
    243,081.20x = 364,749.78 × 124,752.44
  4. Step 4: Simplify right side
    243,081.20x = 45,503,425,044.46
  5. Step 5: Solve for x
    x = 45,503,425,044.46/243,081.20
  6. Step 6: Final answer
    x = 187,194.34

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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.