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Finding the Fourth Proportional to 65,476.82, 98,227.06 and 43,308.54

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Solution

The fourth proportional to 65,476.82, 98,227.06 and 43,308.54 is: 64,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,476.82 : 98,227.06 = 43,308.54 : x
  2. Step 2: Convert to fraction form
    65,476.82/98,227.06 = 43,308.54/x
  3. Step 3: Cross multiply
    65,476.82x = 98,227.06 × 43,308.54
  4. Step 4: Simplify right side
    65,476.82x = 4,254,070,557.09
  5. Step 5: Solve for x
    x = 4,254,070,557.09/65,476.82
  6. Step 6: Final answer
    x = 64,970.63

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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.