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Finding the Fourth Proportional to 219,877, 303,454.56 and 124,382.86

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Solution

The fourth proportional to 219,877, 303,454.56 and 124,382.86 is: 171,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877 : 303,454.56 = 124,382.86 : x
  2. Step 2: Convert to fraction form
    219,877/303,454.56 = 124,382.86/x
  3. Step 3: Cross multiply
    219,877x = 303,454.56 × 124,382.86
  4. Step 4: Simplify right side
    219,877x = 37,744,546,052.84
  5. Step 5: Solve for x
    x = 37,744,546,052.84/219,877
  6. Step 6: Final answer
    x = 171,662.09

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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.