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Finding the Fourth Proportional to 101,277.44, 151,869.99 and 42,077.78

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Solution

The fourth proportional to 101,277.44, 151,869.99 and 42,077.78 is: 63,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.44 : 151,869.99 = 42,077.78 : x
  2. Step 2: Convert to fraction form
    101,277.44/151,869.99 = 42,077.78/x
  3. Step 3: Cross multiply
    101,277.44x = 151,869.99 × 42,077.78
  4. Step 4: Simplify right side
    101,277.44x = 6,390,352,027.82
  5. Step 5: Solve for x
    x = 6,390,352,027.82/101,277.44
  6. Step 6: Final answer
    x = 63,097.49

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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.