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Finding the Fourth Proportional to 162,262.60, 243,393.90 and 117,680.20

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Solution

The fourth proportional to 162,262.60, 243,393.90 and 117,680.20 is: 176,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,262.60 : 243,393.90 = 117,680.20 : x
  2. Step 2: Convert to fraction form
    162,262.60/243,393.90 = 117,680.20/x
  3. Step 3: Cross multiply
    162,262.60x = 243,393.90 × 117,680.20
  4. Step 4: Simplify right side
    162,262.60x = 28,642,642,830.78
  5. Step 5: Solve for x
    x = 28,642,642,830.78/162,262.60
  6. Step 6: Final answer
    x = 176,520.30

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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.