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Finding the Fourth Proportional to 132,373.56, 182,675.46 and 72,757.56

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Solution

The fourth proportional to 132,373.56, 182,675.46 and 72,757.56 is: 100,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,373.56 : 182,675.46 = 72,757.56 : x
  2. Step 2: Convert to fraction form
    132,373.56/182,675.46 = 72,757.56/x
  3. Step 3: Cross multiply
    132,373.56x = 182,675.46 × 72,757.56
  4. Step 4: Simplify right side
    132,373.56x = 13,291,020,741.48
  5. Step 5: Solve for x
    x = 13,291,020,741.48/132,373.56
  6. Step 6: Final answer
    x = 100,405.40

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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.