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Finding the Fourth Proportional to 247,904.58, 371,881.44 and 79,382.58

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Solution

The fourth proportional to 247,904.58, 371,881.44 and 79,382.58 is: 119,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,904.58 : 371,881.44 = 79,382.58 : x
  2. Step 2: Convert to fraction form
    247,904.58/371,881.44 = 79,382.58/x
  3. Step 3: Cross multiply
    247,904.58x = 371,881.44 × 79,382.58
  4. Step 4: Simplify right side
    247,904.58x = 29,520,908,161.32
  5. Step 5: Solve for x
    x = 29,520,908,161.32/247,904.58
  6. Step 6: Final answer
    x = 119,081.74

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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.