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Finding the Fourth Proportional to 132,586.88, 182,923.72 and 75,219.44

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Solution

The fourth proportional to 132,586.88, 182,923.72 and 75,219.44 is: 103,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,586.88 : 182,923.72 = 75,219.44 : x
  2. Step 2: Convert to fraction form
    132,586.88/182,923.72 = 75,219.44/x
  3. Step 3: Cross multiply
    132,586.88x = 182,923.72 × 75,219.44
  4. Step 4: Simplify right side
    132,586.88x = 13,759,418,678.45
  5. Step 5: Solve for x
    x = 13,759,418,678.45/132,586.88
  6. Step 6: Final answer
    x = 103,776.63

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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.