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Finding the Fourth Proportional to 68,463.82, 94,345.48 and 52,349.37

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Solution

The fourth proportional to 68,463.82, 94,345.48 and 52,349.37 is: 72,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,463.82 : 94,345.48 = 52,349.37 : x
  2. Step 2: Convert to fraction form
    68,463.82/94,345.48 = 52,349.37/x
  3. Step 3: Cross multiply
    68,463.82x = 94,345.48 × 52,349.37
  4. Step 4: Simplify right side
    68,463.82x = 4,938,926,440.35
  5. Step 5: Solve for x
    x = 4,938,926,440.35/68,463.82
  6. Step 6: Final answer
    x = 72,139.22

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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.