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Finding the Fourth Proportional to 162,818.20, 224,682.46 and 91,197.08

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Solution

The fourth proportional to 162,818.20, 224,682.46 and 91,197.08 is: 125,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,818.20 : 224,682.46 = 91,197.08 : x
  2. Step 2: Convert to fraction form
    162,818.20/224,682.46 = 91,197.08/x
  3. Step 3: Cross multiply
    162,818.20x = 224,682.46 × 91,197.08
  4. Step 4: Simplify right side
    162,818.20x = 20,490,384,279.22
  5. Step 5: Solve for x
    x = 20,490,384,279.22/162,818.20
  6. Step 6: Final answer
    x = 125,848.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.