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Finding the Fourth Proportional to 79,572, 119,270.56 and 32,799.36

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Solution

The fourth proportional to 79,572, 119,270.56 and 32,799.36 is: 49,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,572 : 119,270.56 = 32,799.36 : x
  2. Step 2: Convert to fraction form
    79,572/119,270.56 = 32,799.36/x
  3. Step 3: Cross multiply
    79,572x = 119,270.56 × 32,799.36
  4. Step 4: Simplify right side
    79,572x = 3,911,998,034.84
  5. Step 5: Solve for x
    x = 3,911,998,034.84/79,572
  6. Step 6: Final answer
    x = 49,163.00

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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.