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Finding the Fourth Proportional to 110,491.60, 152,478.36 and 60,190.60

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Solution

The fourth proportional to 110,491.60, 152,478.36 and 60,190.60 is: 83,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,491.60 : 152,478.36 = 60,190.60 : x
  2. Step 2: Convert to fraction form
    110,491.60/152,478.36 = 60,190.60/x
  3. Step 3: Cross multiply
    110,491.60x = 152,478.36 × 60,190.60
  4. Step 4: Simplify right side
    110,491.60x = 9,177,763,975.42
  5. Step 5: Solve for x
    x = 9,177,763,975.42/110,491.60
  6. Step 6: Final answer
    x = 83,063.00

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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.