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Finding the Fourth Proportional to 74,496.27, 102,810.69 and 42,675.42

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Solution

The fourth proportional to 74,496.27, 102,810.69 and 42,675.42 is: 58,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,496.27 : 102,810.69 = 42,675.42 : x
  2. Step 2: Convert to fraction form
    74,496.27/102,810.69 = 42,675.42/x
  3. Step 3: Cross multiply
    74,496.27x = 102,810.69 × 42,675.42
  4. Step 4: Simplify right side
    74,496.27x = 4,387,489,376.24
  5. Step 5: Solve for x
    x = 4,387,489,376.24/74,496.27
  6. Step 6: Final answer
    x = 58,895.42

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