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Finding the Fourth Proportional to 171,029.92, 236,087.28 and 153,093.28

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Solution

The fourth proportional to 171,029.92, 236,087.28 and 153,093.28 is: 211,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,029.92 : 236,087.28 = 153,093.28 : x
  2. Step 2: Convert to fraction form
    171,029.92/236,087.28 = 153,093.28/x
  3. Step 3: Cross multiply
    171,029.92x = 236,087.28 × 153,093.28
  4. Step 4: Simplify right side
    171,029.92x = 36,143,376,061.48
  5. Step 5: Solve for x
    x = 36,143,376,061.48/171,029.92
  6. Step 6: Final answer
    x = 211,327.80

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1.5x scale

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.