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Finding the Fourth Proportional to 214,877.32, 322,317.90 and 88,487.56

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Solution

The fourth proportional to 214,877.32, 322,317.90 and 88,487.56 is: 132,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,877.32 : 322,317.90 = 88,487.56 : x
  2. Step 2: Convert to fraction form
    214,877.32/322,317.90 = 88,487.56/x
  3. Step 3: Cross multiply
    214,877.32x = 322,317.90 × 88,487.56
  4. Step 4: Simplify right side
    214,877.32x = 28,521,124,515.32
  5. Step 5: Solve for x
    x = 28,521,124,515.32/214,877.32
  6. Step 6: Final answer
    x = 132,732.13

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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.