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Finding the Fourth Proportional to 68,334, 94,300.94 and 38,526

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Solution

The fourth proportional to 68,334, 94,300.94 and 38,526 is: 53,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334 : 94,300.94 = 38,526 : x
  2. Step 2: Convert to fraction form
    68,334/94,300.94 = 38,526/x
  3. Step 3: Cross multiply
    68,334x = 94,300.94 × 38,526
  4. Step 4: Simplify right side
    68,334x = 3,633,038,014.44
  5. Step 5: Solve for x
    x = 3,633,038,014.44/68,334
  6. Step 6: Final answer
    x = 53,165.89

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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.