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Finding the Fourth Proportional to 121,679.91, 182,520.27 and 37,439.49

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Solution

The fourth proportional to 121,679.91, 182,520.27 and 37,439.49 is: 56,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,679.91 : 182,520.27 = 37,439.49 : x
  2. Step 2: Convert to fraction form
    121,679.91/182,520.27 = 37,439.49/x
  3. Step 3: Cross multiply
    121,679.91x = 182,520.27 × 37,439.49
  4. Step 4: Simplify right side
    121,679.91x = 6,833,465,823.46
  5. Step 5: Solve for x
    x = 6,833,465,823.46/121,679.91
  6. Step 6: Final answer
    x = 56,159.36

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1.5x scale

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.