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Finding the Fourth Proportional to 65,282.63, 97,772.06 and 63,486.79

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Solution

The fourth proportional to 65,282.63, 97,772.06 and 63,486.79 is: 95,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,282.63 : 97,772.06 = 63,486.79 : x
  2. Step 2: Convert to fraction form
    65,282.63/97,772.06 = 63,486.79/x
  3. Step 3: Cross multiply
    65,282.63x = 97,772.06 × 63,486.79
  4. Step 4: Simplify right side
    65,282.63x = 6,207,234,155.37
  5. Step 5: Solve for x
    x = 6,207,234,155.37/65,282.63
  6. Step 6: Final answer
    x = 95,082.48

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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.