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Finding the Fourth Proportional to 162,646.92, 224,455.80 and 91,034.88

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Solution

The fourth proportional to 162,646.92, 224,455.80 and 91,034.88 is: 125,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,646.92 : 224,455.80 = 91,034.88 : x
  2. Step 2: Convert to fraction form
    162,646.92/224,455.80 = 91,034.88/x
  3. Step 3: Cross multiply
    162,646.92x = 224,455.80 × 91,034.88
  4. Step 4: Simplify right side
    162,646.92x = 20,433,306,818.30
  5. Step 5: Solve for x
    x = 20,433,306,818.30/162,646.92
  6. Step 6: Final answer
    x = 125,629.84

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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.