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Finding the Fourth Proportional to 68,156.60, 94,093.00 and 47,801.16

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Solution

The fourth proportional to 68,156.60, 94,093.00 and 47,801.16 is: 65,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156.60 : 94,093.00 = 47,801.16 : x
  2. Step 2: Convert to fraction form
    68,156.60/94,093.00 = 47,801.16/x
  3. Step 3: Cross multiply
    68,156.60x = 94,093.00 × 47,801.16
  4. Step 4: Simplify right side
    68,156.60x = 4,497,754,428.38
  5. Step 5: Solve for x
    x = 4,497,754,428.38/68,156.60
  6. Step 6: Final answer
    x = 65,991.48

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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.