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Finding the Fourth Proportional to 68,235.60, 102,283 and 37,004.88

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Solution

The fourth proportional to 68,235.60, 102,283 and 37,004.88 is: 55,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235.60 : 102,283 = 37,004.88 : x
  2. Step 2: Convert to fraction form
    68,235.60/102,283 = 37,004.88/x
  3. Step 3: Cross multiply
    68,235.60x = 102,283 × 37,004.88
  4. Step 4: Simplify right side
    68,235.60x = 3,784,970,141.04
  5. Step 5: Solve for x
    x = 3,784,970,141.04/68,235.60
  6. Step 6: Final answer
    x = 55,469.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.