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Finding the Fourth Proportional to 101,000.28, 139,380.03 and 58,583.01

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Solution

The fourth proportional to 101,000.28, 139,380.03 and 58,583.01 is: 80,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,000.28 : 139,380.03 = 58,583.01 : x
  2. Step 2: Convert to fraction form
    101,000.28/139,380.03 = 58,583.01/x
  3. Step 3: Cross multiply
    101,000.28x = 139,380.03 × 58,583.01
  4. Step 4: Simplify right side
    101,000.28x = 8,165,301,691.29
  5. Step 5: Solve for x
    x = 8,165,301,691.29/101,000.28
  6. Step 6: Final answer
    x = 80,844.35

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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.