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Finding the Fourth Proportional to 360,763.74, 541,139.94 and 124,108.47

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Solution

The fourth proportional to 360,763.74, 541,139.94 and 124,108.47 is: 186,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,763.74 : 541,139.94 = 124,108.47 : x
  2. Step 2: Convert to fraction form
    360,763.74/541,139.94 = 124,108.47/x
  3. Step 3: Cross multiply
    360,763.74x = 541,139.94 × 124,108.47
  4. Step 4: Simplify right side
    360,763.74x = 67,160,050,009.29
  5. Step 5: Solve for x
    x = 67,160,050,009.29/360,763.74
  6. Step 6: Final answer
    x = 186,160.75

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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.