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Finding the Fourth Proportional to 132,175.88, 182,402.86 and 71,746.50

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Solution

The fourth proportional to 132,175.88, 182,402.86 and 71,746.50 is: 99,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,175.88 : 182,402.86 = 71,746.50 : x
  2. Step 2: Convert to fraction form
    132,175.88/182,402.86 = 71,746.50/x
  3. Step 3: Cross multiply
    132,175.88x = 182,402.86 × 71,746.50
  4. Step 4: Simplify right side
    132,175.88x = 13,086,766,794.99
  5. Step 5: Solve for x
    x = 13,086,766,794.99/132,175.88
  6. Step 6: Final answer
    x = 99,010.25

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1.5x scale

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.