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Finding the Fourth Proportional to 185,737.15, 278,645.73 and 57,650.77

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Solution

The fourth proportional to 185,737.15, 278,645.73 and 57,650.77 is: 86,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,737.15 : 278,645.73 = 57,650.77 : x
  2. Step 2: Convert to fraction form
    185,737.15/278,645.73 = 57,650.77/x
  3. Step 3: Cross multiply
    185,737.15x = 278,645.73 × 57,650.77
  4. Step 4: Simplify right side
    185,737.15x = 16,064,140,891.71
  5. Step 5: Solve for x
    x = 16,064,140,891.71/185,737.15
  6. Step 6: Final answer
    x = 86,488.57

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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.