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Finding the Fourth Proportional to 60,076.32, 90,104.99 and 20,094.99

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Solution

The fourth proportional to 60,076.32, 90,104.99 and 20,094.99 is: 30,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,076.32 : 90,104.99 = 20,094.99 : x
  2. Step 2: Convert to fraction form
    60,076.32/90,104.99 = 20,094.99/x
  3. Step 3: Cross multiply
    60,076.32x = 90,104.99 × 20,094.99
  4. Step 4: Simplify right side
    60,076.32x = 1,810,658,772.53
  5. Step 5: Solve for x
    x = 1,810,658,772.53/60,076.32
  6. Step 6: Final answer
    x = 30,139.31

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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.