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Finding the Fourth Proportional to 247,366.95, 371,065.80 and 89,596.77

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Solution

The fourth proportional to 247,366.95, 371,065.80 and 89,596.77 is: 134,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,366.95 : 371,065.80 = 89,596.77 : x
  2. Step 2: Convert to fraction form
    247,366.95/371,065.80 = 89,596.77/x
  3. Step 3: Cross multiply
    247,366.95x = 371,065.80 × 89,596.77
  4. Step 4: Simplify right side
    247,366.95x = 33,246,297,137.47
  5. Step 5: Solve for x
    x = 33,246,297,137.47/247,366.95
  6. Step 6: Final answer
    x = 134,400.72

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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.