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Finding the Fourth Proportional to 74,917.62, 112,376.12 and 35,502.41

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Solution

The fourth proportional to 74,917.62, 112,376.12 and 35,502.41 is: 53,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.62 : 112,376.12 = 35,502.41 : x
  2. Step 2: Convert to fraction form
    74,917.62/112,376.12 = 35,502.41/x
  3. Step 3: Cross multiply
    74,917.62x = 112,376.12 × 35,502.41
  4. Step 4: Simplify right side
    74,917.62x = 3,989,622,347.06
  5. Step 5: Solve for x
    x = 3,989,622,347.06/74,917.62
  6. Step 6: Final answer
    x = 53,253.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.