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Finding the Fourth Proportional to 178,381.50, 246,157 and 101,885.57

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Solution

The fourth proportional to 178,381.50, 246,157 and 101,885.57 is: 140,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,381.50 : 246,157 = 101,885.57 : x
  2. Step 2: Convert to fraction form
    178,381.50/246,157 = 101,885.57/x
  3. Step 3: Cross multiply
    178,381.50x = 246,157 × 101,885.57
  4. Step 4: Simplify right side
    178,381.50x = 25,079,846,254.49
  5. Step 5: Solve for x
    x = 25,079,846,254.49/178,381.50
  6. Step 6: Final answer
    x = 140,596.68

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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.