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Finding the Fourth Proportional to 171,862.66, 237,321.12 and 107,442.01

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Solution

The fourth proportional to 171,862.66, 237,321.12 and 107,442.01 is: 148,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,862.66 : 237,321.12 = 107,442.01 : x
  2. Step 2: Convert to fraction form
    171,862.66/237,321.12 = 107,442.01/x
  3. Step 3: Cross multiply
    171,862.66x = 237,321.12 × 107,442.01
  4. Step 4: Simplify right side
    171,862.66x = 25,498,258,148.25
  5. Step 5: Solve for x
    x = 25,498,258,148.25/171,862.66
  6. Step 6: Final answer
    x = 148,364.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.