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Finding the Fourth Proportional to 60,436.78, 90,720.78 and 44,592.10

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Solution

The fourth proportional to 60,436.78, 90,720.78 and 44,592.10 is: 66,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,436.78 : 90,720.78 = 44,592.10 : x
  2. Step 2: Convert to fraction form
    60,436.78/90,720.78 = 44,592.10/x
  3. Step 3: Cross multiply
    60,436.78x = 90,720.78 × 44,592.10
  4. Step 4: Simplify right side
    60,436.78x = 4,045,430,093.84
  5. Step 5: Solve for x
    x = 4,045,430,093.84/60,436.78
  6. Step 6: Final answer
    x = 66,936.56

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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.