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Finding the Fourth Proportional to 91,809.44, 137,698.32 and 24,341.95

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Solution

The fourth proportional to 91,809.44, 137,698.32 and 24,341.95 is: 36,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,809.44 : 137,698.32 = 24,341.95 : x
  2. Step 2: Convert to fraction form
    91,809.44/137,698.32 = 24,341.95/x
  3. Step 3: Cross multiply
    91,809.44x = 137,698.32 × 24,341.95
  4. Step 4: Simplify right side
    91,809.44x = 3,351,844,932.03
  5. Step 5: Solve for x
    x = 3,351,844,932.03/91,809.44
  6. Step 6: Final answer
    x = 36,508.72

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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.