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Finding the Fourth Proportional to 101,464.37, 140,042.90 and 59,028.47

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Solution

The fourth proportional to 101,464.37, 140,042.90 and 59,028.47 is: 81,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,464.37 : 140,042.90 = 59,028.47 : x
  2. Step 2: Convert to fraction form
    101,464.37/140,042.90 = 59,028.47/x
  3. Step 3: Cross multiply
    101,464.37x = 140,042.90 × 59,028.47
  4. Step 4: Simplify right side
    101,464.37x = 8,266,518,121.36
  5. Step 5: Solve for x
    x = 8,266,518,121.36/101,464.37
  6. Step 6: Final answer
    x = 81,472.13

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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.