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Finding the Fourth Proportional to 111,373.20, 167,027.40 and 61,477.20

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Solution

The fourth proportional to 111,373.20, 167,027.40 and 61,477.20 is: 92,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,373.20 : 167,027.40 = 61,477.20 : x
  2. Step 2: Convert to fraction form
    111,373.20/167,027.40 = 61,477.20/x
  3. Step 3: Cross multiply
    111,373.20x = 167,027.40 × 61,477.20
  4. Step 4: Simplify right side
    111,373.20x = 10,268,376,875.28
  5. Step 5: Solve for x
    x = 10,268,376,875.28/111,373.20
  6. Step 6: Final answer
    x = 92,197.92

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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.