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Finding the Fourth Proportional to 73,842.57, 101,901.44 and 42,010.79

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Solution

The fourth proportional to 73,842.57, 101,901.44 and 42,010.79 is: 57,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842.57 : 101,901.44 = 42,010.79 : x
  2. Step 2: Convert to fraction form
    73,842.57/101,901.44 = 42,010.79/x
  3. Step 3: Cross multiply
    73,842.57x = 101,901.44 × 42,010.79
  4. Step 4: Simplify right side
    73,842.57x = 4,280,959,592.06
  5. Step 5: Solve for x
    x = 4,280,959,592.06/73,842.57
  6. Step 6: Final answer
    x = 57,974.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.