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Finding the Fourth Proportional to 96,503.42, 133,225.13 and 74,944.80

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Solution

The fourth proportional to 96,503.42, 133,225.13 and 74,944.80 is: 103,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,503.42 : 133,225.13 = 74,944.80 : x
  2. Step 2: Convert to fraction form
    96,503.42/133,225.13 = 74,944.80/x
  3. Step 3: Cross multiply
    96,503.42x = 133,225.13 × 74,944.80
  4. Step 4: Simplify right side
    96,503.42x = 9,984,530,348.10
  5. Step 5: Solve for x
    x = 9,984,530,348.10/96,503.42
  6. Step 6: Final answer
    x = 103,462.97

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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.