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Finding the Fourth Proportional to 101,356.32, 151,870.32 and 61,793.76

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Solution

The fourth proportional to 101,356.32, 151,870.32 and 61,793.76 is: 92,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,356.32 : 151,870.32 = 61,793.76 : x
  2. Step 2: Convert to fraction form
    101,356.32/151,870.32 = 61,793.76/x
  3. Step 3: Cross multiply
    101,356.32x = 151,870.32 × 61,793.76
  4. Step 4: Simplify right side
    101,356.32x = 9,384,638,105.20
  5. Step 5: Solve for x
    x = 9,384,638,105.20/101,356.32
  6. Step 6: Final answer
    x = 92,590.56

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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.