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Finding the Fourth Proportional to 132,501.59, 198,647.79 and 65,905.38

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Solution

The fourth proportional to 132,501.59, 198,647.79 and 65,905.38 is: 98,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,501.59 : 198,647.79 = 65,905.38 : x
  2. Step 2: Convert to fraction form
    132,501.59/198,647.79 = 65,905.38/x
  3. Step 3: Cross multiply
    132,501.59x = 198,647.79 × 65,905.38
  4. Step 4: Simplify right side
    132,501.59x = 13,091,958,086.11
  5. Step 5: Solve for x
    x = 13,091,958,086.11/132,501.59
  6. Step 6: Final answer
    x = 98,806.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.