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Finding the Fourth Proportional to 79,435.59, 119,169.81 and 23,277.54

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Solution

The fourth proportional to 79,435.59, 119,169.81 and 23,277.54 is: 34,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435.59 : 119,169.81 = 23,277.54 : x
  2. Step 2: Convert to fraction form
    79,435.59/119,169.81 = 23,277.54/x
  3. Step 3: Cross multiply
    79,435.59x = 119,169.81 × 23,277.54
  4. Step 4: Simplify right side
    79,435.59x = 2,773,980,019.07
  5. Step 5: Solve for x
    x = 2,773,980,019.07/79,435.59
  6. Step 6: Final answer
    x = 34,921.12

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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.