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Finding the Fourth Proportional to 153,593.40, 230,493.90 and 53,754.48

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Solution

The fourth proportional to 153,593.40, 230,493.90 and 53,754.48 is: 80,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,593.40 : 230,493.90 = 53,754.48 : x
  2. Step 2: Convert to fraction form
    153,593.40/230,493.90 = 53,754.48/x
  3. Step 3: Cross multiply
    153,593.40x = 230,493.90 × 53,754.48
  4. Step 4: Simplify right side
    153,593.40x = 12,390,079,737.67
  5. Step 5: Solve for x
    x = 12,390,079,737.67/153,593.40
  6. Step 6: Final answer
    x = 80,668.05

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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.