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Finding the Fourth Proportional to 100,600.01, 151,028.06 and 65,209.43

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Solution

The fourth proportional to 100,600.01, 151,028.06 and 65,209.43 is: 97,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,600.01 : 151,028.06 = 65,209.43 : x
  2. Step 2: Convert to fraction form
    100,600.01/151,028.06 = 65,209.43/x
  3. Step 3: Cross multiply
    100,600.01x = 151,028.06 × 65,209.43
  4. Step 4: Simplify right side
    100,600.01x = 9,848,453,458.80
  5. Step 5: Solve for x
    x = 9,848,453,458.80/100,600.01
  6. Step 6: Final answer
    x = 97,897.14

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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.