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Finding the Fourth Proportional to 334,149.81, 501,108 and 134,418.39

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Solution

The fourth proportional to 334,149.81, 501,108 and 134,418.39 is: 201,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,149.81 : 501,108 = 134,418.39 : x
  2. Step 2: Convert to fraction form
    334,149.81/501,108 = 134,418.39/x
  3. Step 3: Cross multiply
    334,149.81x = 501,108 × 134,418.39
  4. Step 4: Simplify right side
    334,149.81x = 67,358,128,070.58
  5. Step 5: Solve for x
    x = 67,358,128,070.58/334,149.81
  6. Step 6: Final answer
    x = 201,580.63

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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.