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Finding the Fourth Proportional to 121,761.72, 182,642.12 and 33,014.98

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Solution

The fourth proportional to 121,761.72, 182,642.12 and 33,014.98 is: 49,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,761.72 : 182,642.12 = 33,014.98 : x
  2. Step 2: Convert to fraction form
    121,761.72/182,642.12 = 33,014.98/x
  3. Step 3: Cross multiply
    121,761.72x = 182,642.12 × 33,014.98
  4. Step 4: Simplify right side
    121,761.72x = 6,029,925,938.96
  5. Step 5: Solve for x
    x = 6,029,925,938.96/121,761.72
  6. Step 6: Final answer
    x = 49,522.35

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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.