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Finding the Fourth Proportional to 254,282.50, 350,920.79 and 141,105.25

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Solution

The fourth proportional to 254,282.50, 350,920.79 and 141,105.25 is: 194,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,282.50 : 350,920.79 = 141,105.25 : x
  2. Step 2: Convert to fraction form
    254,282.50/350,920.79 = 141,105.25/x
  3. Step 3: Cross multiply
    254,282.50x = 350,920.79 × 141,105.25
  4. Step 4: Simplify right side
    254,282.50x = 49,516,765,803.15
  5. Step 5: Solve for x
    x = 49,516,765,803.15/254,282.50
  6. Step 6: Final answer
    x = 194,731.32

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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.