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Finding the Fourth Proportional to 153,279.80, 229,926.90 and 48,102.20

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Solution

The fourth proportional to 153,279.80, 229,926.90 and 48,102.20 is: 72,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.80 : 229,926.90 = 48,102.20 : x
  2. Step 2: Convert to fraction form
    153,279.80/229,926.90 = 48,102.20/x
  3. Step 3: Cross multiply
    153,279.80x = 229,926.90 × 48,102.20
  4. Step 4: Simplify right side
    153,279.80x = 11,059,989,729.18
  5. Step 5: Solve for x
    x = 11,059,989,729.18/153,279.80
  6. Step 6: Final answer
    x = 72,155.56

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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.