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Finding the Fourth Proportional to 68,335.84, 94,301.17 and 40,040.92

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Solution

The fourth proportional to 68,335.84, 94,301.17 and 40,040.92 is: 55,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335.84 : 94,301.17 = 40,040.92 : x
  2. Step 2: Convert to fraction form
    68,335.84/94,301.17 = 40,040.92/x
  3. Step 3: Cross multiply
    68,335.84x = 94,301.17 × 40,040.92
  4. Step 4: Simplify right side
    68,335.84x = 3,775,905,603.88
  5. Step 5: Solve for x
    x = 3,775,905,603.88/68,335.84
  6. Step 6: Final answer
    x = 55,255.13

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1.5x scale

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.