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Finding the Fourth Proportional to 70,926.84, 97,832.61 and 43,688.97

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Solution

The fourth proportional to 70,926.84, 97,832.61 and 43,688.97 is: 60,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.84 : 97,832.61 = 43,688.97 : x
  2. Step 2: Convert to fraction form
    70,926.84/97,832.61 = 43,688.97/x
  3. Step 3: Cross multiply
    70,926.84x = 97,832.61 × 43,688.97
  4. Step 4: Simplify right side
    70,926.84x = 4,274,205,963.31
  5. Step 5: Solve for x
    x = 4,274,205,963.31/70,926.84
  6. Step 6: Final answer
    x = 60,262.18

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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.