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Finding the Fourth Proportional to 61,236, 84,540.24 and 46,306.08

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Solution

The fourth proportional to 61,236, 84,540.24 and 46,306.08 is: 63,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236 : 84,540.24 = 46,306.08 : x
  2. Step 2: Convert to fraction form
    61,236/84,540.24 = 46,306.08/x
  3. Step 3: Cross multiply
    61,236x = 84,540.24 × 46,306.08
  4. Step 4: Simplify right side
    61,236x = 3,914,727,116.66
  5. Step 5: Solve for x
    x = 3,914,727,116.66/61,236
  6. Step 6: Final answer
    x = 63,928.52

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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.