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Finding the Fourth Proportional to 269,739.50, 372,240.51 and 150,507.50

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Solution

The fourth proportional to 269,739.50, 372,240.51 and 150,507.50 is: 207,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,739.50 : 372,240.51 = 150,507.50 : x
  2. Step 2: Convert to fraction form
    269,739.50/372,240.51 = 150,507.50/x
  3. Step 3: Cross multiply
    269,739.50x = 372,240.51 × 150,507.50
  4. Step 4: Simplify right side
    269,739.50x = 56,024,988,558.83
  5. Step 5: Solve for x
    x = 56,024,988,558.83/269,739.50
  6. Step 6: Final answer
    x = 207,700.35

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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.