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Finding the Fourth Proportional to 173,382.64, 260,085.29 and 53,424.88

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Solution

The fourth proportional to 173,382.64, 260,085.29 and 53,424.88 is: 80,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,382.64 : 260,085.29 = 53,424.88 : x
  2. Step 2: Convert to fraction form
    173,382.64/260,085.29 = 53,424.88/x
  3. Step 3: Cross multiply
    173,382.64x = 260,085.29 × 53,424.88
  4. Step 4: Simplify right side
    173,382.64x = 13,895,025,408.02
  5. Step 5: Solve for x
    x = 13,895,025,408.02/173,382.64
  6. Step 6: Final answer
    x = 80,140.81

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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.