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Finding the Fourth Proportional to 169,759.72, 253,393.49 and 157,249

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Solution

The fourth proportional to 169,759.72, 253,393.49 and 157,249 is: 234,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,759.72 : 253,393.49 = 157,249 : x
  2. Step 2: Convert to fraction form
    169,759.72/253,393.49 = 157,249/x
  3. Step 3: Cross multiply
    169,759.72x = 253,393.49 × 157,249
  4. Step 4: Simplify right side
    169,759.72x = 39,845,872,909.01
  5. Step 5: Solve for x
    x = 39,845,872,909.01/169,759.72
  6. Step 6: Final answer
    x = 234,719.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.