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Finding the Fourth Proportional to 197,523, 272,582.28 and 108,099

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Solution

The fourth proportional to 197,523, 272,582.28 and 108,099 is: 149,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,523 : 272,582.28 = 108,099 : x
  2. Step 2: Convert to fraction form
    197,523/272,582.28 = 108,099/x
  3. Step 3: Cross multiply
    197,523x = 272,582.28 × 108,099
  4. Step 4: Simplify right side
    197,523x = 29,465,871,885.72
  5. Step 5: Solve for x
    x = 29,465,871,885.72/197,523
  6. Step 6: Final answer
    x = 149,176.92

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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.