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Finding the Fourth Proportional to 73,752.83, 110,524.61 and 56,821.79

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Solution

The fourth proportional to 73,752.83, 110,524.61 and 56,821.79 is: 85,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,752.83 : 110,524.61 = 56,821.79 : x
  2. Step 2: Convert to fraction form
    73,752.83/110,524.61 = 56,821.79/x
  3. Step 3: Cross multiply
    73,752.83x = 110,524.61 × 56,821.79
  4. Step 4: Simplify right side
    73,752.83x = 6,280,205,895.14
  5. Step 5: Solve for x
    x = 6,280,205,895.14/73,752.83
  6. Step 6: Final answer
    x = 85,152.07

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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.