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Finding the Fourth Proportional to 171,456.60, 257,184.90 and 168,176.10

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Solution

The fourth proportional to 171,456.60, 257,184.90 and 168,176.10 is: 252,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,456.60 : 257,184.90 = 168,176.10 : x
  2. Step 2: Convert to fraction form
    171,456.60/257,184.90 = 168,176.10/x
  3. Step 3: Cross multiply
    171,456.60x = 257,184.90 × 168,176.10
  4. Step 4: Simplify right side
    171,456.60x = 43,252,353,460.89
  5. Step 5: Solve for x
    x = 43,252,353,460.89/171,456.60
  6. Step 6: Final answer
    x = 252,264.15

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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.