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Finding the Fourth Proportional to 79,562.95, 119,335.50 and 20,400.01

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Solution

The fourth proportional to 79,562.95, 119,335.50 and 20,400.01 is: 30,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,562.95 : 119,335.50 = 20,400.01 : x
  2. Step 2: Convert to fraction form
    79,562.95/119,335.50 = 20,400.01/x
  3. Step 3: Cross multiply
    79,562.95x = 119,335.50 × 20,400.01
  4. Step 4: Simplify right side
    79,562.95x = 2,434,445,393.36
  5. Step 5: Solve for x
    x = 2,434,445,393.36/79,562.95
  6. Step 6: Final answer
    x = 30,597.73

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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.