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Finding the Fourth Proportional to 172,588.59, 238,171.66 and 96,108.66

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Solution

The fourth proportional to 172,588.59, 238,171.66 and 96,108.66 is: 132,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,588.59 : 238,171.66 = 96,108.66 : x
  2. Step 2: Convert to fraction form
    172,588.59/238,171.66 = 96,108.66/x
  3. Step 3: Cross multiply
    172,588.59x = 238,171.66 × 96,108.66
  4. Step 4: Simplify right side
    172,588.59x = 22,890,358,852.30
  5. Step 5: Solve for x
    x = 22,890,358,852.30/172,588.59
  6. Step 6: Final answer
    x = 132,629.62

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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.