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Finding the Fourth Proportional to 100,710.96, 151,071.96 and 33,240.24

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Solution

The fourth proportional to 100,710.96, 151,071.96 and 33,240.24 is: 49,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,710.96 : 151,071.96 = 33,240.24 : x
  2. Step 2: Convert to fraction form
    100,710.96/151,071.96 = 33,240.24/x
  3. Step 3: Cross multiply
    100,710.96x = 151,071.96 × 33,240.24
  4. Step 4: Simplify right side
    100,710.96x = 5,021,668,207.67
  5. Step 5: Solve for x
    x = 5,021,668,207.67/100,710.96
  6. Step 6: Final answer
    x = 49,862.18

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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.