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Finding the Fourth Proportional to 250,542.68, 345,763.02 and 148,628.48

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Solution

The fourth proportional to 250,542.68, 345,763.02 and 148,628.48 is: 205,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,542.68 : 345,763.02 = 148,628.48 : x
  2. Step 2: Convert to fraction form
    250,542.68/345,763.02 = 148,628.48/x
  3. Step 3: Cross multiply
    250,542.68x = 345,763.02 × 148,628.48
  4. Step 4: Simplify right side
    250,542.68x = 51,390,230,373.99
  5. Step 5: Solve for x
    x = 51,390,230,373.99/250,542.68
  6. Step 6: Final answer
    x = 205,115.68

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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.