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Finding the Fourth Proportional to 124,008.28, 185,978.63 and 34,029.66

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Solution

The fourth proportional to 124,008.28, 185,978.63 and 34,029.66 is: 51,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,008.28 : 185,978.63 = 34,029.66 : x
  2. Step 2: Convert to fraction form
    124,008.28/185,978.63 = 34,029.66/x
  3. Step 3: Cross multiply
    124,008.28x = 185,978.63 × 34,029.66
  4. Step 4: Simplify right side
    124,008.28x = 6,328,790,328.66
  5. Step 5: Solve for x
    x = 6,328,790,328.66/124,008.28
  6. Step 6: Final answer
    x = 51,035.22

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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.