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Finding the Fourth Proportional to 171,708.10, 257,442.15 and 101,551.30

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Solution

The fourth proportional to 171,708.10, 257,442.15 and 101,551.30 is: 152,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,708.10 : 257,442.15 = 101,551.30 : x
  2. Step 2: Convert to fraction form
    171,708.10/257,442.15 = 101,551.30/x
  3. Step 3: Cross multiply
    171,708.10x = 257,442.15 × 101,551.30
  4. Step 4: Simplify right side
    171,708.10x = 26,143,585,007.30
  5. Step 5: Solve for x
    x = 26,143,585,007.30/171,708.10
  6. Step 6: Final answer
    x = 152,255.98

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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.