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Finding the Fourth Proportional to 173,531.70, 260,297.55 and 48,872.70

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Solution

The fourth proportional to 173,531.70, 260,297.55 and 48,872.70 is: 73,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,531.70 : 260,297.55 = 48,872.70 : x
  2. Step 2: Convert to fraction form
    173,531.70/260,297.55 = 48,872.70/x
  3. Step 3: Cross multiply
    173,531.70x = 260,297.55 × 48,872.70
  4. Step 4: Simplify right side
    173,531.70x = 12,721,444,071.89
  5. Step 5: Solve for x
    x = 12,721,444,071.89/173,531.70
  6. Step 6: Final answer
    x = 73,309.05

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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.