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Finding the Fourth Proportional to 67,330.60, 100,849.02 and 55,511.08

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Solution

The fourth proportional to 67,330.60, 100,849.02 and 55,511.08 is: 83,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,330.60 : 100,849.02 = 55,511.08 : x
  2. Step 2: Convert to fraction form
    67,330.60/100,849.02 = 55,511.08/x
  3. Step 3: Cross multiply
    67,330.60x = 100,849.02 × 55,511.08
  4. Step 4: Simplify right side
    67,330.60x = 5,598,238,017.14
  5. Step 5: Solve for x
    x = 5,598,238,017.14/67,330.60
  6. Step 6: Final answer
    x = 83,145.52

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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.