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Finding the Fourth Proportional to 64,064.28, 95,705.97 and 61,731.48

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Solution

The fourth proportional to 64,064.28, 95,705.97 and 61,731.48 is: 92,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,064.28 : 95,705.97 = 61,731.48 : x
  2. Step 2: Convert to fraction form
    64,064.28/95,705.97 = 61,731.48/x
  3. Step 3: Cross multiply
    64,064.28x = 95,705.97 × 61,731.48
  4. Step 4: Simplify right side
    64,064.28x = 5,908,071,172.94
  5. Step 5: Solve for x
    x = 5,908,071,172.94/64,064.28
  6. Step 6: Final answer
    x = 92,220.99

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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.