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Finding the Fourth Proportional to 132,177.42, 182,405.04 and 71,748.03

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Solution

The fourth proportional to 132,177.42, 182,405.04 and 71,748.03 is: 99,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,177.42 : 182,405.04 = 71,748.03 : x
  2. Step 2: Convert to fraction form
    132,177.42/182,405.04 = 71,748.03/x
  3. Step 3: Cross multiply
    132,177.42x = 182,405.04 × 71,748.03
  4. Step 4: Simplify right side
    132,177.42x = 13,087,202,282.07
  5. Step 5: Solve for x
    x = 13,087,202,282.07/132,177.42
  6. Step 6: Final answer
    x = 99,012.39

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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.