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Finding the Fourth Proportional to 178,079.99, 245,757 and 101,611.53

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Solution

The fourth proportional to 178,079.99, 245,757 and 101,611.53 is: 140,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,079.99 : 245,757 = 101,611.53 : x
  2. Step 2: Convert to fraction form
    178,079.99/245,757 = 101,611.53/x
  3. Step 3: Cross multiply
    178,079.99x = 245,757 × 101,611.53
  4. Step 4: Simplify right side
    178,079.99x = 24,971,744,778.21
  5. Step 5: Solve for x
    x = 24,971,744,778.21/178,079.99
  6. Step 6: Final answer
    x = 140,227.69

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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.