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Finding the Fourth Proportional to 182,307.87, 251,584.88 and 100,636.14

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Solution

The fourth proportional to 182,307.87, 251,584.88 and 100,636.14 is: 138,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,307.87 : 251,584.88 = 100,636.14 : x
  2. Step 2: Convert to fraction form
    182,307.87/251,584.88 = 100,636.14/x
  3. Step 3: Cross multiply
    182,307.87x = 251,584.88 × 100,636.14
  4. Step 4: Simplify right side
    182,307.87x = 25,318,531,205.56
  5. Step 5: Solve for x
    x = 25,318,531,205.56/182,307.87
  6. Step 6: Final answer
    x = 138,877.88

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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.