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Finding the Fourth Proportional to 124,649.10, 186,946.11 and 35,882.82

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Solution

The fourth proportional to 124,649.10, 186,946.11 and 35,882.82 is: 53,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,649.10 : 186,946.11 = 35,882.82 : x
  2. Step 2: Convert to fraction form
    124,649.10/186,946.11 = 35,882.82/x
  3. Step 3: Cross multiply
    124,649.10x = 186,946.11 × 35,882.82
  4. Step 4: Simplify right side
    124,649.10x = 6,708,153,614.83
  5. Step 5: Solve for x
    x = 6,708,153,614.83/124,649.10
  6. Step 6: Final answer
    x = 53,816.30

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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.