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Finding the Fourth Proportional to 171,603.84, 236,828.48 and 96,168.32

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Solution

The fourth proportional to 171,603.84, 236,828.48 and 96,168.32 is: 132,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,603.84 : 236,828.48 = 96,168.32 : x
  2. Step 2: Convert to fraction form
    171,603.84/236,828.48 = 96,168.32/x
  3. Step 3: Cross multiply
    171,603.84x = 236,828.48 × 96,168.32
  4. Step 4: Simplify right side
    171,603.84x = 22,775,397,049.75
  5. Step 5: Solve for x
    x = 22,775,397,049.75/171,603.84
  6. Step 6: Final answer
    x = 132,720.79

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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.