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Finding the Fourth Proportional to 90,594.88, 135,715.44 and 59,335.36

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Solution

The fourth proportional to 90,594.88, 135,715.44 and 59,335.36 is: 88,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,594.88 : 135,715.44 = 59,335.36 : x
  2. Step 2: Convert to fraction form
    90,594.88/135,715.44 = 59,335.36/x
  3. Step 3: Cross multiply
    90,594.88x = 135,715.44 × 59,335.36
  4. Step 4: Simplify right side
    90,594.88x = 8,052,724,489.96
  5. Step 5: Solve for x
    x = 8,052,724,489.96/90,594.88
  6. Step 6: Final answer
    x = 88,887.19

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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.