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Finding the Fourth Proportional to 155,750.98, 233,600.90 and 43,438.82

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Solution

The fourth proportional to 155,750.98, 233,600.90 and 43,438.82 is: 65,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,750.98 : 233,600.90 = 43,438.82 : x
  2. Step 2: Convert to fraction form
    155,750.98/233,600.90 = 43,438.82/x
  3. Step 3: Cross multiply
    155,750.98x = 233,600.90 × 43,438.82
  4. Step 4: Simplify right side
    155,750.98x = 10,147,347,446.94
  5. Step 5: Solve for x
    x = 10,147,347,446.94/155,750.98
  6. Step 6: Final answer
    x = 65,151.10

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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.