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Finding the Fourth Proportional to 100,962.71, 151,444.07 and 34,368.56

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Solution

The fourth proportional to 100,962.71, 151,444.07 and 34,368.56 is: 51,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,962.71 : 151,444.07 = 34,368.56 : x
  2. Step 2: Convert to fraction form
    100,962.71/151,444.07 = 34,368.56/x
  3. Step 3: Cross multiply
    100,962.71x = 151,444.07 × 34,368.56
  4. Step 4: Simplify right side
    100,962.71x = 5,204,914,434.60
  5. Step 5: Solve for x
    x = 5,204,914,434.60/100,962.71
  6. Step 6: Final answer
    x = 51,552.84

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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.