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Finding the Fourth Proportional to 59,190.62, 81,669.60 and 35,312.63

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Solution

The fourth proportional to 59,190.62, 81,669.60 and 35,312.63 is: 48,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,190.62 : 81,669.60 = 35,312.63 : x
  2. Step 2: Convert to fraction form
    59,190.62/81,669.60 = 35,312.63/x
  3. Step 3: Cross multiply
    59,190.62x = 81,669.60 × 35,312.63
  4. Step 4: Simplify right side
    59,190.62x = 2,883,967,958.70
  5. Step 5: Solve for x
    x = 2,883,967,958.70/59,190.62
  6. Step 6: Final answer
    x = 48,723.40

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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.