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Finding the Fourth Proportional to 178,197.72, 245,912.13 and 97,625.13

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Solution

The fourth proportional to 178,197.72, 245,912.13 and 97,625.13 is: 134,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,197.72 : 245,912.13 = 97,625.13 : x
  2. Step 2: Convert to fraction form
    178,197.72/245,912.13 = 97,625.13/x
  3. Step 3: Cross multiply
    178,197.72x = 245,912.13 × 97,625.13
  4. Step 4: Simplify right side
    178,197.72x = 24,007,203,659.83
  5. Step 5: Solve for x
    x = 24,007,203,659.83/178,197.72
  6. Step 6: Final answer
    x = 134,722.28

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1.5x scale

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.