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Finding the Fourth Proportional to 174,655.37, 261,983.01 and 74,750.78

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Solution

The fourth proportional to 174,655.37, 261,983.01 and 74,750.78 is: 112,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,655.37 : 261,983.01 = 74,750.78 : x
  2. Step 2: Convert to fraction form
    174,655.37/261,983.01 = 74,750.78/x
  3. Step 3: Cross multiply
    174,655.37x = 261,983.01 × 74,750.78
  4. Step 4: Simplify right side
    174,655.37x = 19,583,433,314.65
  5. Step 5: Solve for x
    x = 19,583,433,314.65/174,655.37
  6. Step 6: Final answer
    x = 112,126.15

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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.