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Finding the Fourth Proportional to 132,798.92, 199,181.80 and 53,837.28

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Solution

The fourth proportional to 132,798.92, 199,181.80 and 53,837.28 is: 80,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,798.92 : 199,181.80 = 53,837.28 : x
  2. Step 2: Convert to fraction form
    132,798.92/199,181.80 = 53,837.28/x
  3. Step 3: Cross multiply
    132,798.92x = 199,181.80 × 53,837.28
  4. Step 4: Simplify right side
    132,798.92x = 10,723,406,337.50
  5. Step 5: Solve for x
    x = 10,723,406,337.50/132,798.92
  6. Step 6: Final answer
    x = 80,749.20

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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.