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Finding the Fourth Proportional to 132,058.40, 197,868.90 and 112,375.40

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Solution

The fourth proportional to 132,058.40, 197,868.90 and 112,375.40 is: 168,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.40 : 197,868.90 = 112,375.40 : x
  2. Step 2: Convert to fraction form
    132,058.40/197,868.90 = 112,375.40/x
  3. Step 3: Cross multiply
    132,058.40x = 197,868.90 × 112,375.40
  4. Step 4: Simplify right side
    132,058.40x = 22,235,596,785.06
  5. Step 5: Solve for x
    x = 22,235,596,785.06/132,058.40
  6. Step 6: Final answer
    x = 168,377.00

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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.