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Finding the Fourth Proportional to 178,462.50, 246,266.73 and 97,872.90

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Solution

The fourth proportional to 178,462.50, 246,266.73 and 97,872.90 is: 135,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,462.50 : 246,266.73 = 97,872.90 : x
  2. Step 2: Convert to fraction form
    178,462.50/246,266.73 = 97,872.90/x
  3. Step 3: Cross multiply
    178,462.50x = 246,266.73 × 97,872.90
  4. Step 4: Simplify right side
    178,462.50x = 24,102,839,038.62
  5. Step 5: Solve for x
    x = 24,102,839,038.62/178,462.50
  6. Step 6: Final answer
    x = 135,058.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.