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Finding the Fourth Proportional to 234,117.76, 351,172.80 and 101,091.20

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Solution

The fourth proportional to 234,117.76, 351,172.80 and 101,091.20 is: 151,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,117.76 : 351,172.80 = 101,091.20 : x
  2. Step 2: Convert to fraction form
    234,117.76/351,172.80 = 101,091.20/x
  3. Step 3: Cross multiply
    234,117.76x = 351,172.80 × 101,091.20
  4. Step 4: Simplify right side
    234,117.76x = 35,500,479,759.36
  5. Step 5: Solve for x
    x = 35,500,479,759.36/234,117.76
  6. Step 6: Final answer
    x = 151,635.14

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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.