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Finding the Fourth Proportional to 172,797.84, 238,480.47 and 96,323.94

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Solution

The fourth proportional to 172,797.84, 238,480.47 and 96,323.94 is: 132,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,797.84 : 238,480.47 = 96,323.94 : x
  2. Step 2: Convert to fraction form
    172,797.84/238,480.47 = 96,323.94/x
  3. Step 3: Cross multiply
    172,797.84x = 238,480.47 × 96,323.94
  4. Step 4: Simplify right side
    172,797.84x = 22,971,378,483.45
  5. Step 5: Solve for x
    x = 22,971,378,483.45/172,797.84
  6. Step 6: Final answer
    x = 132,937.88

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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.