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Finding the Fourth Proportional to 130,658.81, 195,789.48 and 59,540.00

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Solution

The fourth proportional to 130,658.81, 195,789.48 and 59,540.00 is: 89,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,658.81 : 195,789.48 = 59,540.00 : x
  2. Step 2: Convert to fraction form
    130,658.81/195,789.48 = 59,540.00/x
  3. Step 3: Cross multiply
    130,658.81x = 195,789.48 × 59,540.00
  4. Step 4: Simplify right side
    130,658.81x = 11,657,304,883.53
  5. Step 5: Solve for x
    x = 11,657,304,883.53/130,658.81
  6. Step 6: Final answer
    x = 89,219.44

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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.