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Finding the Fourth Proportional to 268,148.92, 370,044.84 and 147,289.90

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Solution

The fourth proportional to 268,148.92, 370,044.84 and 147,289.90 is: 203,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,148.92 : 370,044.84 = 147,289.90 : x
  2. Step 2: Convert to fraction form
    268,148.92/370,044.84 = 147,289.90/x
  3. Step 3: Cross multiply
    268,148.92x = 370,044.84 × 147,289.90
  4. Step 4: Simplify right side
    268,148.92x = 54,503,867,479.12
  5. Step 5: Solve for x
    x = 54,503,867,479.12/268,148.92
  6. Step 6: Final answer
    x = 203,259.69

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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.