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Finding the Fourth Proportional to 74,894.42, 103,350.08 and 40,896.14

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Solution

The fourth proportional to 74,894.42, 103,350.08 and 40,896.14 is: 56,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894.42 : 103,350.08 = 40,896.14 : x
  2. Step 2: Convert to fraction form
    74,894.42/103,350.08 = 40,896.14/x
  3. Step 3: Cross multiply
    74,894.42x = 103,350.08 × 40,896.14
  4. Step 4: Simplify right side
    74,894.42x = 4,226,619,277.48
  5. Step 5: Solve for x
    x = 4,226,619,277.48/74,894.42
  6. Step 6: Final answer
    x = 56,434.37

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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.