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Finding the Fourth Proportional to 162,077.92, 223,678.80 and 90,471.92

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Solution

The fourth proportional to 162,077.92, 223,678.80 and 90,471.92 is: 124,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,077.92 : 223,678.80 = 90,471.92 : x
  2. Step 2: Convert to fraction form
    162,077.92/223,678.80 = 90,471.92/x
  3. Step 3: Cross multiply
    162,077.92x = 223,678.80 × 90,471.92
  4. Step 4: Simplify right side
    162,077.92x = 20,236,650,499.30
  5. Step 5: Solve for x
    x = 20,236,650,499.30/162,077.92
  6. Step 6: Final answer
    x = 124,857.54

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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.