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Finding the Fourth Proportional to 173,432.64, 260,118.72 and 48,744

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Solution

The fourth proportional to 173,432.64, 260,118.72 and 48,744 is: 73,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,432.64 : 260,118.72 = 48,744 : x
  2. Step 2: Convert to fraction form
    173,432.64/260,118.72 = 48,744/x
  3. Step 3: Cross multiply
    173,432.64x = 260,118.72 × 48,744
  4. Step 4: Simplify right side
    173,432.64x = 12,679,226,887.68
  5. Step 5: Solve for x
    x = 12,679,226,887.68/173,432.64
  6. Step 6: Final answer
    x = 73,107.50

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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.