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Finding the Fourth Proportional to 101,283.90, 151,832.97 and 38,907.42

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Solution

The fourth proportional to 101,283.90, 151,832.97 and 38,907.42 is: 58,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,283.90 : 151,832.97 = 38,907.42 : x
  2. Step 2: Convert to fraction form
    101,283.90/151,832.97 = 38,907.42/x
  3. Step 3: Cross multiply
    101,283.90x = 151,832.97 × 38,907.42
  4. Step 4: Simplify right side
    101,283.90x = 5,907,429,133.64
  5. Step 5: Solve for x
    x = 5,907,429,133.64/101,283.90
  6. Step 6: Final answer
    x = 58,325.45

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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.