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Finding the Fourth Proportional to 101,329.11, 152,026.47 and 48,731.76

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Solution

The fourth proportional to 101,329.11, 152,026.47 and 48,731.76 is: 73,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,329.11 : 152,026.47 = 48,731.76 : x
  2. Step 2: Convert to fraction form
    101,329.11/152,026.47 = 48,731.76/x
  3. Step 3: Cross multiply
    101,329.11x = 152,026.47 × 48,731.76
  4. Step 4: Simplify right side
    101,329.11x = 7,408,517,449.69
  5. Step 5: Solve for x
    x = 7,408,517,449.69/101,329.11
  6. Step 6: Final answer
    x = 73,113.42

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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.