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Finding the Fourth Proportional to 74,493.84, 102,795.42 and 43,862.10

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Solution

The fourth proportional to 74,493.84, 102,795.42 and 43,862.10 is: 60,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.84 : 102,795.42 = 43,862.10 : x
  2. Step 2: Convert to fraction form
    74,493.84/102,795.42 = 43,862.10/x
  3. Step 3: Cross multiply
    74,493.84x = 102,795.42 × 43,862.10
  4. Step 4: Simplify right side
    74,493.84x = 4,508,822,991.58
  5. Step 5: Solve for x
    x = 4,508,822,991.58/74,493.84
  6. Step 6: Final answer
    x = 60,526.12

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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.