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Finding the Fourth Proportional to 162,060.93, 223,655.31 and 90,454.91

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Solution

The fourth proportional to 162,060.93, 223,655.31 and 90,454.91 is: 124,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,060.93 : 223,655.31 = 90,454.91 : x
  2. Step 2: Convert to fraction form
    162,060.93/223,655.31 = 90,454.91/x
  3. Step 3: Cross multiply
    162,060.93x = 223,655.31 × 90,454.91
  4. Step 4: Simplify right side
    162,060.93x = 20,230,719,818.80
  5. Step 5: Solve for x
    x = 20,230,719,818.80/162,060.93
  6. Step 6: Final answer
    x = 124,834.04

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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.