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Finding the Fourth Proportional to 107,046.36, 147,732.34 and 59,304.28

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Solution

The fourth proportional to 107,046.36, 147,732.34 and 59,304.28 is: 81,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,046.36 : 147,732.34 = 59,304.28 : x
  2. Step 2: Convert to fraction form
    107,046.36/147,732.34 = 59,304.28/x
  3. Step 3: Cross multiply
    107,046.36x = 147,732.34 × 59,304.28
  4. Step 4: Simplify right side
    107,046.36x = 8,761,160,056.42
  5. Step 5: Solve for x
    x = 8,761,160,056.42/107,046.36
  6. Step 6: Final answer
    x = 81,844.54

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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.