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Finding the Fourth Proportional to 107,926.60, 161,889.90 and 88,227.40

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Solution

The fourth proportional to 107,926.60, 161,889.90 and 88,227.40 is: 132,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,926.60 : 161,889.90 = 88,227.40 : x
  2. Step 2: Convert to fraction form
    107,926.60/161,889.90 = 88,227.40/x
  3. Step 3: Cross multiply
    107,926.60x = 161,889.90 × 88,227.40
  4. Step 4: Simplify right side
    107,926.60x = 14,283,124,963.26
  5. Step 5: Solve for x
    x = 14,283,124,963.26/107,926.60
  6. Step 6: Final answer
    x = 132,341.10

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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.