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Finding the Fourth Proportional to 64,375.40, 96,563.10 and 60,746.60

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Solution

The fourth proportional to 64,375.40, 96,563.10 and 60,746.60 is: 91,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,375.40 : 96,563.10 = 60,746.60 : x
  2. Step 2: Convert to fraction form
    64,375.40/96,563.10 = 60,746.60/x
  3. Step 3: Cross multiply
    64,375.40x = 96,563.10 × 60,746.60
  4. Step 4: Simplify right side
    64,375.40x = 5,865,880,010.46
  5. Step 5: Solve for x
    x = 5,865,880,010.46/64,375.40
  6. Step 6: Final answer
    x = 91,119.90

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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.