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Finding the Fourth Proportional to 113,197.66, 169,874.49 and 46,637.89

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Solution

The fourth proportional to 113,197.66, 169,874.49 and 46,637.89 is: 69,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.66 : 169,874.49 = 46,637.89 : x
  2. Step 2: Convert to fraction form
    113,197.66/169,874.49 = 46,637.89/x
  3. Step 3: Cross multiply
    113,197.66x = 169,874.49 × 46,637.89
  4. Step 4: Simplify right side
    113,197.66x = 7,922,587,778.43
  5. Step 5: Solve for x
    x = 7,922,587,778.43/113,197.66
  6. Step 6: Final answer
    x = 69,988.97

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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.