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Finding the Fourth Proportional to 171,753.60, 257,630.40 and 152,726.70

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Solution

The fourth proportional to 171,753.60, 257,630.40 and 152,726.70 is: 229,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,753.60 : 257,630.40 = 152,726.70 : x
  2. Step 2: Convert to fraction form
    171,753.60/257,630.40 = 152,726.70/x
  3. Step 3: Cross multiply
    171,753.60x = 257,630.40 × 152,726.70
  4. Step 4: Simplify right side
    171,753.60x = 39,347,040,811.68
  5. Step 5: Solve for x
    x = 39,347,040,811.68/171,753.60
  6. Step 6: Final answer
    x = 229,090.05

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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.