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Finding the Fourth Proportional to 100,859.01, 151,263.31 and 29,767.54

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Solution

The fourth proportional to 100,859.01, 151,263.31 and 29,767.54 is: 44,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,859.01 : 151,263.31 = 29,767.54 : x
  2. Step 2: Convert to fraction form
    100,859.01/151,263.31 = 29,767.54/x
  3. Step 3: Cross multiply
    100,859.01x = 151,263.31 × 29,767.54
  4. Step 4: Simplify right side
    100,859.01x = 4,502,736,630.96
  5. Step 5: Solve for x
    x = 4,502,736,630.96/100,859.01
  6. Step 6: Final answer
    x = 44,643.87

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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.