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Finding the Fourth Proportional to 68,232, 94,165.92 and 38,429.76

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Solution

The fourth proportional to 68,232, 94,165.92 and 38,429.76 is: 53,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232 : 94,165.92 = 38,429.76 : x
  2. Step 2: Convert to fraction form
    68,232/94,165.92 = 38,429.76/x
  3. Step 3: Cross multiply
    68,232x = 94,165.92 × 38,429.76
  4. Step 4: Simplify right side
    68,232x = 3,618,773,705.78
  5. Step 5: Solve for x
    x = 3,618,773,705.78/68,232
  6. Step 6: Final answer
    x = 53,036.31

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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.