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Finding the Fourth Proportional to 157,383.76, 217,171.28 and 96,099.12

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Solution

The fourth proportional to 157,383.76, 217,171.28 and 96,099.12 is: 132,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,383.76 : 217,171.28 = 96,099.12 : x
  2. Step 2: Convert to fraction form
    157,383.76/217,171.28 = 96,099.12/x
  3. Step 3: Cross multiply
    157,383.76x = 217,171.28 × 96,099.12
  4. Step 4: Simplify right side
    157,383.76x = 20,869,968,897.27
  5. Step 5: Solve for x
    x = 20,869,968,897.27/157,383.76
  6. Step 6: Final answer
    x = 132,605.61

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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.