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Finding the Fourth Proportional to 262,648.68, 393,341.73 and 149,987.82

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Solution

The fourth proportional to 262,648.68, 393,341.73 and 149,987.82 is: 224,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,648.68 : 393,341.73 = 149,987.82 : x
  2. Step 2: Convert to fraction form
    262,648.68/393,341.73 = 149,987.82/x
  3. Step 3: Cross multiply
    262,648.68x = 393,341.73 × 149,987.82
  4. Step 4: Simplify right side
    262,648.68x = 58,996,468,597.73
  5. Step 5: Solve for x
    x = 58,996,468,597.73/262,648.68
  6. Step 6: Final answer
    x = 224,621.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.