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Finding the Fourth Proportional to 159,463.80, 238,734.90 and 97,255.80

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Solution

The fourth proportional to 159,463.80, 238,734.90 and 97,255.80 is: 145,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,463.80 : 238,734.90 = 97,255.80 : x
  2. Step 2: Convert to fraction form
    159,463.80/238,734.90 = 97,255.80/x
  3. Step 3: Cross multiply
    159,463.80x = 238,734.90 × 97,255.80
  4. Step 4: Simplify right side
    159,463.80x = 23,218,353,687.42
  5. Step 5: Solve for x
    x = 23,218,353,687.42/159,463.80
  6. Step 6: Final answer
    x = 145,602.66

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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.