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Finding the Fourth Proportional to 111,798.41, 167,762.21 and 59,207.90

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Solution

The fourth proportional to 111,798.41, 167,762.21 and 59,207.90 is: 88,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,798.41 : 167,762.21 = 59,207.90 : x
  2. Step 2: Convert to fraction form
    111,798.41/167,762.21 = 59,207.90/x
  3. Step 3: Cross multiply
    111,798.41x = 167,762.21 × 59,207.90
  4. Step 4: Simplify right side
    111,798.41x = 9,932,848,153.46
  5. Step 5: Solve for x
    x = 9,932,848,153.46/111,798.41
  6. Step 6: Final answer
    x = 88,846.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.