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Finding the Fourth Proportional to 110,048.80, 151,867.80 and 62,311.36

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Solution

The fourth proportional to 110,048.80, 151,867.80 and 62,311.36 is: 85,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.80 : 151,867.80 = 62,311.36 : x
  2. Step 2: Convert to fraction form
    110,048.80/151,867.80 = 62,311.36/x
  3. Step 3: Cross multiply
    110,048.80x = 151,867.80 × 62,311.36
  4. Step 4: Simplify right side
    110,048.80x = 9,463,089,158.21
  5. Step 5: Solve for x
    x = 9,463,089,158.21/110,048.80
  6. Step 6: Final answer
    x = 85,989.93

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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.