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Finding the Fourth Proportional to 100,833.39, 151,239.57 and 63,282.12

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Solution

The fourth proportional to 100,833.39, 151,239.57 and 63,282.12 is: 94,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,833.39 : 151,239.57 = 63,282.12 : x
  2. Step 2: Convert to fraction form
    100,833.39/151,239.57 = 63,282.12/x
  3. Step 3: Cross multiply
    100,833.39x = 151,239.57 × 63,282.12
  4. Step 4: Simplify right side
    100,833.39x = 9,570,760,617.49
  5. Step 5: Solve for x
    x = 9,570,760,617.49/100,833.39
  6. Step 6: Final answer
    x = 94,916.58

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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.