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Finding the Fourth Proportional to 132,459.88, 198,675.04 and 36,404.46

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Solution

The fourth proportional to 132,459.88, 198,675.04 and 36,404.46 is: 54,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.88 : 198,675.04 = 36,404.46 : x
  2. Step 2: Convert to fraction form
    132,459.88/198,675.04 = 36,404.46/x
  3. Step 3: Cross multiply
    132,459.88x = 198,675.04 × 36,404.46
  4. Step 4: Simplify right side
    132,459.88x = 7,232,656,991.84
  5. Step 5: Solve for x
    x = 7,232,656,991.84/132,459.88
  6. Step 6: Final answer
    x = 54,602.62

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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.