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Finding the Fourth Proportional to 64,062.28, 95,702.99 and 61,729.48

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Solution

The fourth proportional to 64,062.28, 95,702.99 and 61,729.48 is: 92,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.28 : 95,702.99 = 61,729.48 : x
  2. Step 2: Convert to fraction form
    64,062.28/95,702.99 = 61,729.48/x
  3. Step 3: Cross multiply
    64,062.28x = 95,702.99 × 61,729.48
  4. Step 4: Simplify right side
    64,062.28x = 5,907,695,807.15
  5. Step 5: Solve for x
    x = 5,907,695,807.15/64,062.28
  6. Step 6: Final answer
    x = 92,218.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.