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Finding the Fourth Proportional to 101,836, 140,533.68 and 62,092

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Solution

The fourth proportional to 101,836, 140,533.68 and 62,092 is: 85,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,836 : 140,533.68 = 62,092 : x
  2. Step 2: Convert to fraction form
    101,836/140,533.68 = 62,092/x
  3. Step 3: Cross multiply
    101,836x = 140,533.68 × 62,092
  4. Step 4: Simplify right side
    101,836x = 8,726,017,258.56
  5. Step 5: Solve for x
    x = 8,726,017,258.56/101,836
  6. Step 6: Final answer
    x = 85,686.96

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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.