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Finding the Fourth Proportional to 65,390.17, 98,099.79 and 23,837.17

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Solution

The fourth proportional to 65,390.17, 98,099.79 and 23,837.17 is: 35,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,390.17 : 98,099.79 = 23,837.17 : x
  2. Step 2: Convert to fraction form
    65,390.17/98,099.79 = 23,837.17/x
  3. Step 3: Cross multiply
    65,390.17x = 98,099.79 × 23,837.17
  4. Step 4: Simplify right side
    65,390.17x = 2,338,421,371.19
  5. Step 5: Solve for x
    x = 2,338,421,371.19/65,390.17
  6. Step 6: Final answer
    x = 35,761.05

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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.