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Finding the Fourth Proportional to 175,502.88, 263,254.32 and 82,074.24

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Solution

The fourth proportional to 175,502.88, 263,254.32 and 82,074.24 is: 123,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,502.88 : 263,254.32 = 82,074.24 : x
  2. Step 2: Convert to fraction form
    175,502.88/263,254.32 = 82,074.24/x
  3. Step 3: Cross multiply
    175,502.88x = 263,254.32 × 82,074.24
  4. Step 4: Simplify right side
    175,502.88x = 21,606,398,240.72
  5. Step 5: Solve for x
    x = 21,606,398,240.72/175,502.88
  6. Step 6: Final answer
    x = 123,111.36

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1.5x scale

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.