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Finding the Fourth Proportional to 342,667.26, 514,055.97 and 117,972.45

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Solution

The fourth proportional to 342,667.26, 514,055.97 and 117,972.45 is: 176,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,667.26 : 514,055.97 = 117,972.45 : x
  2. Step 2: Convert to fraction form
    342,667.26/514,055.97 = 117,972.45/x
  3. Step 3: Cross multiply
    342,667.26x = 514,055.97 × 117,972.45
  4. Step 4: Simplify right side
    342,667.26x = 60,644,442,218.03
  5. Step 5: Solve for x
    x = 60,644,442,218.03/342,667.26
  6. Step 6: Final answer
    x = 176,977.64

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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.