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Finding the Fourth Proportional to 130,468.49, 195,679.61 and 59,374.59

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Solution

The fourth proportional to 130,468.49, 195,679.61 and 59,374.59 is: 89,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,468.49 : 195,679.61 = 59,374.59 : x
  2. Step 2: Convert to fraction form
    130,468.49/195,679.61 = 59,374.59/x
  3. Step 3: Cross multiply
    130,468.49x = 195,679.61 × 59,374.59
  4. Step 4: Simplify right side
    130,468.49x = 11,618,396,615.11
  5. Step 5: Solve for x
    x = 11,618,396,615.11/130,468.49
  6. Step 6: Final answer
    x = 89,051.36

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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.