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Finding the Fourth Proportional to 268,149.68, 370,030.20 and 147,267.44

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Solution

The fourth proportional to 268,149.68, 370,030.20 and 147,267.44 is: 203,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,149.68 : 370,030.20 = 147,267.44 : x
  2. Step 2: Convert to fraction form
    268,149.68/370,030.20 = 147,267.44/x
  3. Step 3: Cross multiply
    268,149.68x = 370,030.20 × 147,267.44
  4. Step 4: Simplify right side
    268,149.68x = 54,493,400,276.69
  5. Step 5: Solve for x
    x = 54,493,400,276.69/268,149.68
  6. Step 6: Final answer
    x = 203,220.08

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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.