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Finding the Fourth Proportional to 225,598.88, 338,385.86 and 75,823.72

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Solution

The fourth proportional to 225,598.88, 338,385.86 and 75,823.72 is: 113,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,598.88 : 338,385.86 = 75,823.72 : x
  2. Step 2: Convert to fraction form
    225,598.88/338,385.86 = 75,823.72/x
  3. Step 3: Cross multiply
    225,598.88x = 338,385.86 × 75,823.72
  4. Step 4: Simplify right side
    225,598.88x = 25,657,674,700.60
  5. Step 5: Solve for x
    x = 25,657,674,700.60/225,598.88
  6. Step 6: Final answer
    x = 113,731.39

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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.