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Finding the Fourth Proportional to 162,988.96, 244,425.12 and 88,164.40

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Solution

The fourth proportional to 162,988.96, 244,425.12 and 88,164.40 is: 132,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,988.96 : 244,425.12 = 88,164.40 : x
  2. Step 2: Convert to fraction form
    162,988.96/244,425.12 = 88,164.40/x
  3. Step 3: Cross multiply
    162,988.96x = 244,425.12 × 88,164.40
  4. Step 4: Simplify right side
    162,988.96x = 21,549,594,049.73
  5. Step 5: Solve for x
    x = 21,549,594,049.73/162,988.96
  6. Step 6: Final answer
    x = 132,215.05

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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.