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Finding the Fourth Proportional to 60,908.78, 91,319.76 and 23,437.27

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Solution

The fourth proportional to 60,908.78, 91,319.76 and 23,437.27 is: 35,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,908.78 : 91,319.76 = 23,437.27 : x
  2. Step 2: Convert to fraction form
    60,908.78/91,319.76 = 23,437.27/x
  3. Step 3: Cross multiply
    60,908.78x = 91,319.76 × 23,437.27
  4. Step 4: Simplify right side
    60,908.78x = 2,140,285,871.46
  5. Step 5: Solve for x
    x = 2,140,285,871.46/60,908.78
  6. Step 6: Final answer
    x = 35,139.20

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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.