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Finding the Fourth Proportional to 162,987.46, 244,422.87 and 88,162.90

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Solution

The fourth proportional to 162,987.46, 244,422.87 and 88,162.90 is: 132,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,987.46 : 244,422.87 = 88,162.90 : x
  2. Step 2: Convert to fraction form
    162,987.46/244,422.87 = 88,162.90/x
  3. Step 3: Cross multiply
    162,987.46x = 244,422.87 × 88,162.90
  4. Step 4: Simplify right side
    162,987.46x = 21,549,029,045.52
  5. Step 5: Solve for x
    x = 21,549,029,045.52/162,987.46
  6. Step 6: Final answer
    x = 132,212.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.