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Finding the Fourth Proportional to 262,041.65, 361,630.29 and 147,356.39

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Solution

The fourth proportional to 262,041.65, 361,630.29 and 147,356.39 is: 203,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,041.65 : 361,630.29 = 147,356.39 : x
  2. Step 2: Convert to fraction form
    262,041.65/361,630.29 = 147,356.39/x
  3. Step 3: Cross multiply
    262,041.65x = 361,630.29 × 147,356.39
  4. Step 4: Simplify right side
    262,041.65x = 53,288,532,240.90
  5. Step 5: Solve for x
    x = 53,288,532,240.90/262,041.65
  6. Step 6: Final answer
    x = 203,359.02

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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.