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Finding the Fourth Proportional to 68,329.76, 94,290.78 and 38,117.01

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Solution

The fourth proportional to 68,329.76, 94,290.78 and 38,117.01 is: 52,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,329.76 : 94,290.78 = 38,117.01 : x
  2. Step 2: Convert to fraction form
    68,329.76/94,290.78 = 38,117.01/x
  3. Step 3: Cross multiply
    68,329.76x = 94,290.78 × 38,117.01
  4. Step 4: Simplify right side
    68,329.76x = 3,594,082,604.17
  5. Step 5: Solve for x
    x = 3,594,082,604.17/68,329.76
  6. Step 6: Final answer
    x = 52,599.09

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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.