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Finding the Fourth Proportional to 132,259.08, 198,388.59 and 53,354.82

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Solution

The fourth proportional to 132,259.08, 198,388.59 and 53,354.82 is: 80,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,259.08 : 198,388.59 = 53,354.82 : x
  2. Step 2: Convert to fraction form
    132,259.08/198,388.59 = 53,354.82/x
  3. Step 3: Cross multiply
    132,259.08x = 198,388.59 × 53,354.82
  4. Step 4: Simplify right side
    132,259.08x = 10,584,987,509.50
  5. Step 5: Solve for x
    x = 10,584,987,509.50/132,259.08
  6. Step 6: Final answer
    x = 80,032.22

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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.