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Finding the Fourth Proportional to 74,934, 112,401.08 and 22,342.16

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Solution

The fourth proportional to 74,934, 112,401.08 and 22,342.16 is: 33,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934 : 112,401.08 = 22,342.16 : x
  2. Step 2: Convert to fraction form
    74,934/112,401.08 = 22,342.16/x
  3. Step 3: Cross multiply
    74,934x = 112,401.08 × 22,342.16
  4. Step 4: Simplify right side
    74,934x = 2,511,282,913.53
  5. Step 5: Solve for x
    x = 2,511,282,913.53/74,934
  6. Step 6: Final answer
    x = 33,513.26

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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.