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Finding the Fourth Proportional to 94,034.37, 129,694.98 and 65,353.68

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Solution

The fourth proportional to 94,034.37, 129,694.98 and 65,353.68 is: 90,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,034.37 : 129,694.98 = 65,353.68 : x
  2. Step 2: Convert to fraction form
    94,034.37/129,694.98 = 65,353.68/x
  3. Step 3: Cross multiply
    94,034.37x = 129,694.98 × 65,353.68
  4. Step 4: Simplify right side
    94,034.37x = 8,476,044,220.53
  5. Step 5: Solve for x
    x = 8,476,044,220.53/94,034.37
  6. Step 6: Final answer
    x = 90,137.73

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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.