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Finding the Fourth Proportional to 140,422.08, 210,602.08 and 40,560.60

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Solution

The fourth proportional to 140,422.08, 210,602.08 and 40,560.60 is: 60,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,422.08 : 210,602.08 = 40,560.60 : x
  2. Step 2: Convert to fraction form
    140,422.08/210,602.08 = 40,560.60/x
  3. Step 3: Cross multiply
    140,422.08x = 210,602.08 × 40,560.60
  4. Step 4: Simplify right side
    140,422.08x = 8,542,146,726.05
  5. Step 5: Solve for x
    x = 8,542,146,726.05/140,422.08
  6. Step 6: Final answer
    x = 60,831.93

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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.