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Finding the Fourth Proportional to 173,376.57, 260,085.72 and 61,033.47

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Solution

The fourth proportional to 173,376.57, 260,085.72 and 61,033.47 is: 91,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,376.57 : 260,085.72 = 61,033.47 : x
  2. Step 2: Convert to fraction form
    173,376.57/260,085.72 = 61,033.47/x
  3. Step 3: Cross multiply
    173,376.57x = 260,085.72 × 61,033.47
  4. Step 4: Simplify right side
    173,376.57x = 15,873,933,989.05
  5. Step 5: Solve for x
    x = 15,873,933,989.05/173,376.57
  6. Step 6: Final answer
    x = 91,557.55

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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.