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Finding the Fourth Proportional to 100,569.49, 150,873.69 and 38,235.13

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Solution

The fourth proportional to 100,569.49, 150,873.69 and 38,235.13 is: 57,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,569.49 : 150,873.69 = 38,235.13 : x
  2. Step 2: Convert to fraction form
    100,569.49/150,873.69 = 38,235.13/x
  3. Step 3: Cross multiply
    100,569.49x = 150,873.69 × 38,235.13
  4. Step 4: Simplify right side
    100,569.49x = 5,768,675,150.73
  5. Step 5: Solve for x
    x = 5,768,675,150.73/100,569.49
  6. Step 6: Final answer
    x = 57,360.09

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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.