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Finding the Fourth Proportional to 123,649.74, 185,364.72 and 44,746.56

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Solution

The fourth proportional to 123,649.74, 185,364.72 and 44,746.56 is: 67,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,649.74 : 185,364.72 = 44,746.56 : x
  2. Step 2: Convert to fraction form
    123,649.74/185,364.72 = 44,746.56/x
  3. Step 3: Cross multiply
    123,649.74x = 185,364.72 × 44,746.56
  4. Step 4: Simplify right side
    123,649.74x = 8,294,433,565.36
  5. Step 5: Solve for x
    x = 8,294,433,565.36/123,649.74
  6. Step 6: Final answer
    x = 67,080.07

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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.