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Finding the Fourth Proportional to 64,250.40, 96,375.60 and 61,334.40

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Solution

The fourth proportional to 64,250.40, 96,375.60 and 61,334.40 is: 92,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,250.40 : 96,375.60 = 61,334.40 : x
  2. Step 2: Convert to fraction form
    64,250.40/96,375.60 = 61,334.40/x
  3. Step 3: Cross multiply
    64,250.40x = 96,375.60 × 61,334.40
  4. Step 4: Simplify right side
    64,250.40x = 5,911,139,600.64
  5. Step 5: Solve for x
    x = 5,911,139,600.64/64,250.40
  6. Step 6: Final answer
    x = 92,001.60

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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.