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Finding the Fourth Proportional to 111,807.60, 167,905.80 and 59,319.60

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Solution

The fourth proportional to 111,807.60, 167,905.80 and 59,319.60 is: 89,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,807.60 : 167,905.80 = 59,319.60 : x
  2. Step 2: Convert to fraction form
    111,807.60/167,905.80 = 59,319.60/x
  3. Step 3: Cross multiply
    111,807.60x = 167,905.80 × 59,319.60
  4. Step 4: Simplify right side
    111,807.60x = 9,960,104,893.68
  5. Step 5: Solve for x
    x = 9,960,104,893.68/111,807.60
  6. Step 6: Final answer
    x = 89,082.54

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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.