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Finding the Fourth Proportional to 162,225.66, 223,884.45 and 89,634.88

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Solution

The fourth proportional to 162,225.66, 223,884.45 and 89,634.88 is: 123,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225.66 : 223,884.45 = 89,634.88 : x
  2. Step 2: Convert to fraction form
    162,225.66/223,884.45 = 89,634.88/x
  3. Step 3: Cross multiply
    162,225.66x = 223,884.45 × 89,634.88
  4. Step 4: Simplify right side
    162,225.66x = 20,067,854,242.02
  5. Step 5: Solve for x
    x = 20,067,854,242.02/162,225.66
  6. Step 6: Final answer
    x = 123,703.33

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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.