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Finding the Fourth Proportional to 185,366.88, 278,064.90 and 73,039.32

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Solution

The fourth proportional to 185,366.88, 278,064.90 and 73,039.32 is: 109,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,366.88 : 278,064.90 = 73,039.32 : x
  2. Step 2: Convert to fraction form
    185,366.88/278,064.90 = 73,039.32/x
  3. Step 3: Cross multiply
    185,366.88x = 278,064.90 × 73,039.32
  4. Step 4: Simplify right side
    185,366.88x = 20,309,671,211.87
  5. Step 5: Solve for x
    x = 20,309,671,211.87/185,366.88
  6. Step 6: Final answer
    x = 109,564.72

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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.