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Finding the Fourth Proportional to 59,048.70, 81,485.19 and 32,190.78

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Solution

The fourth proportional to 59,048.70, 81,485.19 and 32,190.78 is: 44,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,048.70 : 81,485.19 = 32,190.78 : x
  2. Step 2: Convert to fraction form
    59,048.70/81,485.19 = 32,190.78/x
  3. Step 3: Cross multiply
    59,048.70x = 81,485.19 × 32,190.78
  4. Step 4: Simplify right side
    59,048.70x = 2,623,071,824.55
  5. Step 5: Solve for x
    x = 2,623,071,824.55/59,048.70
  6. Step 6: Final answer
    x = 44,422.18

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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.