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Finding the Fourth Proportional to 132,248.99, 182,503.04 and 71,819.21

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Solution

The fourth proportional to 132,248.99, 182,503.04 and 71,819.21 is: 99,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,248.99 : 182,503.04 = 71,819.21 : x
  2. Step 2: Convert to fraction form
    132,248.99/182,503.04 = 71,819.21/x
  3. Step 3: Cross multiply
    132,248.99x = 182,503.04 × 71,819.21
  4. Step 4: Simplify right side
    132,248.99x = 13,107,222,883.79
  5. Step 5: Solve for x
    x = 13,107,222,883.79/132,248.99
  6. Step 6: Final answer
    x = 99,110.20

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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.