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Finding the Fourth Proportional to 60,644.70, 90,984.06 and 60,644.70

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Solution

The fourth proportional to 60,644.70, 90,984.06 and 60,644.70 is: 90,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,644.70 : 90,984.06 = 60,644.70 : x
  2. Step 2: Convert to fraction form
    60,644.70/90,984.06 = 60,644.70/x
  3. Step 3: Cross multiply
    60,644.70x = 90,984.06 × 60,644.70
  4. Step 4: Simplify right side
    60,644.70x = 5,517,701,023.48
  5. Step 5: Solve for x
    x = 5,517,701,023.48/60,644.70
  6. Step 6: Final answer
    x = 90,984.06

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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.