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Finding the Fourth Proportional to 68,333.52, 94,302.59 and 39,651.01

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Solution

The fourth proportional to 68,333.52, 94,302.59 and 39,651.01 is: 54,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,333.52 : 94,302.59 = 39,651.01 : x
  2. Step 2: Convert to fraction form
    68,333.52/94,302.59 = 39,651.01/x
  3. Step 3: Cross multiply
    68,333.52x = 94,302.59 × 39,651.01
  4. Step 4: Simplify right side
    68,333.52x = 3,739,193,038.24
  5. Step 5: Solve for x
    x = 3,739,193,038.24/68,333.52
  6. Step 6: Final answer
    x = 54,719.75

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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.