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Finding the Fourth Proportional to 245,803.68, 339,234.48 and 150,373.80

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Solution

The fourth proportional to 245,803.68, 339,234.48 and 150,373.80 is: 207,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,803.68 : 339,234.48 = 150,373.80 : x
  2. Step 2: Convert to fraction form
    245,803.68/339,234.48 = 150,373.80/x
  3. Step 3: Cross multiply
    245,803.68x = 339,234.48 × 150,373.80
  4. Step 4: Simplify right side
    245,803.68x = 51,011,977,848.62
  5. Step 5: Solve for x
    x = 51,011,977,848.62/245,803.68
  6. Step 6: Final answer
    x = 207,531.38

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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.