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Finding the Fourth Proportional to 173,418.17, 260,127.86 and 48,759.17

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Solution

The fourth proportional to 173,418.17, 260,127.86 and 48,759.17 is: 73,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,418.17 : 260,127.86 = 48,759.17 : x
  2. Step 2: Convert to fraction form
    173,418.17/260,127.86 = 48,759.17/x
  3. Step 3: Cross multiply
    173,418.17x = 260,127.86 × 48,759.17
  4. Step 4: Simplify right side
    173,418.17x = 12,683,617,003.04
  5. Step 5: Solve for x
    x = 12,683,617,003.04/173,418.17
  6. Step 6: Final answer
    x = 73,138.92

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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.