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Finding the Fourth Proportional to 101,264.69, 151,918.55 and 34,686.95

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Solution

The fourth proportional to 101,264.69, 151,918.55 and 34,686.95 is: 52,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,264.69 : 151,918.55 = 34,686.95 : x
  2. Step 2: Convert to fraction form
    101,264.69/151,918.55 = 34,686.95/x
  3. Step 3: Cross multiply
    101,264.69x = 151,918.55 × 34,686.95
  4. Step 4: Simplify right side
    101,264.69x = 5,269,590,214.90
  5. Step 5: Solve for x
    x = 5,269,590,214.90/101,264.69
  6. Step 6: Final answer
    x = 52,037.79

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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.