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Finding the Fourth Proportional to 110,665.44, 152,713.87 and 65,358.02

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Solution

The fourth proportional to 110,665.44, 152,713.87 and 65,358.02 is: 90,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,665.44 : 152,713.87 = 65,358.02 : x
  2. Step 2: Convert to fraction form
    110,665.44/152,713.87 = 65,358.02/x
  3. Step 3: Cross multiply
    110,665.44x = 152,713.87 × 65,358.02
  4. Step 4: Simplify right side
    110,665.44x = 9,981,076,388.13
  5. Step 5: Solve for x
    x = 9,981,076,388.13/110,665.44
  6. Step 6: Final answer
    x = 90,191.45

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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.