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Finding the Fourth Proportional to 106,196.40, 159,316.38 and 88,787.88

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Solution

The fourth proportional to 106,196.40, 159,316.38 and 88,787.88 is: 133,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,196.40 : 159,316.38 = 88,787.88 : x
  2. Step 2: Convert to fraction form
    106,196.40/159,316.38 = 88,787.88/x
  3. Step 3: Cross multiply
    106,196.40x = 159,316.38 × 88,787.88
  4. Step 4: Simplify right side
    106,196.40x = 14,145,363,629.47
  5. Step 5: Solve for x
    x = 14,145,363,629.47/106,196.40
  6. Step 6: Final answer
    x = 133,200.03

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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.