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Finding the Fourth Proportional to 132,250.61, 182,505.29 and 71,820.77

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Solution

The fourth proportional to 132,250.61, 182,505.29 and 71,820.77 is: 99,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,250.61 : 182,505.29 = 71,820.77 : x
  2. Step 2: Convert to fraction form
    132,250.61/182,505.29 = 71,820.77/x
  3. Step 3: Cross multiply
    132,250.61x = 182,505.29 × 71,820.77
  4. Step 4: Simplify right side
    132,250.61x = 13,107,669,185.24
  5. Step 5: Solve for x
    x = 13,107,669,185.24/132,250.61
  6. Step 6: Final answer
    x = 99,112.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.