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Finding the Fourth Proportional to 113,832, 170,748 and 39,908.16

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Solution

The fourth proportional to 113,832, 170,748 and 39,908.16 is: 59,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,832 : 170,748 = 39,908.16 : x
  2. Step 2: Convert to fraction form
    113,832/170,748 = 39,908.16/x
  3. Step 3: Cross multiply
    113,832x = 170,748 × 39,908.16
  4. Step 4: Simplify right side
    113,832x = 6,814,238,503.68
  5. Step 5: Solve for x
    x = 6,814,238,503.68/113,832
  6. Step 6: Final answer
    x = 59,862.24

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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.