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Finding the Fourth Proportional to 250,357.88, 375,595.88 and 81,877.55

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Solution

The fourth proportional to 250,357.88, 375,595.88 and 81,877.55 is: 122,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,357.88 : 375,595.88 = 81,877.55 : x
  2. Step 2: Convert to fraction form
    250,357.88/375,595.88 = 81,877.55/x
  3. Step 3: Cross multiply
    250,357.88x = 375,595.88 × 81,877.55
  4. Step 4: Simplify right side
    250,357.88x = 30,752,868,157.13
  5. Step 5: Solve for x
    x = 30,752,868,157.13/250,357.88
  6. Step 6: Final answer
    x = 122,835.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.