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Finding the Fourth Proportional to 171,034.65, 256,551.98 and 166,113.90

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Solution

The fourth proportional to 171,034.65, 256,551.98 and 166,113.90 is: 249,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,034.65 : 256,551.98 = 166,113.90 : x
  2. Step 2: Convert to fraction form
    171,034.65/256,551.98 = 166,113.90/x
  3. Step 3: Cross multiply
    171,034.65x = 256,551.98 × 166,113.90
  4. Step 4: Simplify right side
    171,034.65x = 42,616,849,119.95
  5. Step 5: Solve for x
    x = 42,616,849,119.95/171,034.65
  6. Step 6: Final answer
    x = 249,170.85

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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.