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Finding the Fourth Proportional to 112,832, 155,708.16 and 62,534.24

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Solution

The fourth proportional to 112,832, 155,708.16 and 62,534.24 is: 86,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,832 : 155,708.16 = 62,534.24 : x
  2. Step 2: Convert to fraction form
    112,832/155,708.16 = 62,534.24/x
  3. Step 3: Cross multiply
    112,832x = 155,708.16 × 62,534.24
  4. Step 4: Simplify right side
    112,832x = 9,737,091,447.40
  5. Step 5: Solve for x
    x = 9,737,091,447.40/112,832
  6. Step 6: Final answer
    x = 86,297.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.