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Finding the Fourth Proportional to 80,001.68, 110,415.56 and 60,944.40

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Solution

The fourth proportional to 80,001.68, 110,415.56 and 60,944.40 is: 84,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001.68 : 110,415.56 = 60,944.40 : x
  2. Step 2: Convert to fraction form
    80,001.68/110,415.56 = 60,944.40/x
  3. Step 3: Cross multiply
    80,001.68x = 110,415.56 × 60,944.40
  4. Step 4: Simplify right side
    80,001.68x = 6,729,209,750.14
  5. Step 5: Solve for x
    x = 6,729,209,750.14/80,001.68
  6. Step 6: Final answer
    x = 84,113.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.