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Finding the Fourth Proportional to 100,673.39, 151,010.99 and 30,552.70

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Solution

The fourth proportional to 100,673.39, 151,010.99 and 30,552.70 is: 45,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,673.39 : 151,010.99 = 30,552.70 : x
  2. Step 2: Convert to fraction form
    100,673.39/151,010.99 = 30,552.70/x
  3. Step 3: Cross multiply
    100,673.39x = 151,010.99 × 30,552.70
  4. Step 4: Simplify right side
    100,673.39x = 4,613,793,474.17
  5. Step 5: Solve for x
    x = 4,613,793,474.17/100,673.39
  6. Step 6: Final answer
    x = 45,829.32

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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.