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Finding the Fourth Proportional to 73,418, 101,308.25 and 43,196.68

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Solution

The fourth proportional to 73,418, 101,308.25 and 43,196.68 is: 59,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,418 : 101,308.25 = 43,196.68 : x
  2. Step 2: Convert to fraction form
    73,418/101,308.25 = 43,196.68/x
  3. Step 3: Cross multiply
    73,418x = 101,308.25 × 43,196.68
  4. Step 4: Simplify right side
    73,418x = 4,376,179,334.09
  5. Step 5: Solve for x
    x = 4,376,179,334.09/73,418
  6. Step 6: Final answer
    x = 59,606.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.