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Finding the Fourth Proportional to 102,193.77, 153,290.72 and 48,873.15

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Solution

The fourth proportional to 102,193.77, 153,290.72 and 48,873.15 is: 73,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.77 : 153,290.72 = 48,873.15 : x
  2. Step 2: Convert to fraction form
    102,193.77/153,290.72 = 48,873.15/x
  3. Step 3: Cross multiply
    102,193.77x = 153,290.72 × 48,873.15
  4. Step 4: Simplify right side
    102,193.77x = 7,491,800,352.17
  5. Step 5: Solve for x
    x = 7,491,800,352.17/102,193.77
  6. Step 6: Final answer
    x = 73,309.76

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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.