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Finding the Fourth Proportional to 101,478.83, 152,218.44 and 34,919.71

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Solution

The fourth proportional to 101,478.83, 152,218.44 and 34,919.71 is: 52,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,478.83 : 152,218.44 = 34,919.71 : x
  2. Step 2: Convert to fraction form
    101,478.83/152,218.44 = 34,919.71/x
  3. Step 3: Cross multiply
    101,478.83x = 152,218.44 × 34,919.71
  4. Step 4: Simplify right side
    101,478.83x = 5,315,423,400.91
  5. Step 5: Solve for x
    x = 5,315,423,400.91/101,478.83
  6. Step 6: Final answer
    x = 52,379.63

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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.