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Finding the Fourth Proportional to 132,858.10, 199,287.15 and 97,866.10

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Solution

The fourth proportional to 132,858.10, 199,287.15 and 97,866.10 is: 146,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858.10 : 199,287.15 = 97,866.10 : x
  2. Step 2: Convert to fraction form
    132,858.10/199,287.15 = 97,866.10/x
  3. Step 3: Cross multiply
    132,858.10x = 199,287.15 × 97,866.10
  4. Step 4: Simplify right side
    132,858.10x = 19,503,456,150.62
  5. Step 5: Solve for x
    x = 19,503,456,150.62/132,858.10
  6. Step 6: Final answer
    x = 146,799.15

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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.