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Finding the Fourth Proportional to 103,314.84, 154,826.46 and 44,129.76

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Solution

The fourth proportional to 103,314.84, 154,826.46 and 44,129.76 is: 66,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314.84 : 154,826.46 = 44,129.76 : x
  2. Step 2: Convert to fraction form
    103,314.84/154,826.46 = 44,129.76/x
  3. Step 3: Cross multiply
    103,314.84x = 154,826.46 × 44,129.76
  4. Step 4: Simplify right side
    103,314.84x = 6,832,454,521.45
  5. Step 5: Solve for x
    x = 6,832,454,521.45/103,314.84
  6. Step 6: Final answer
    x = 66,132.36

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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.