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Finding the Fourth Proportional to 252,601.77, 348,588.77 and 137,879.96

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Solution

The fourth proportional to 252,601.77, 348,588.77 and 137,879.96 is: 190,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,601.77 : 348,588.77 = 137,879.96 : x
  2. Step 2: Convert to fraction form
    252,601.77/348,588.77 = 137,879.96/x
  3. Step 3: Cross multiply
    252,601.77x = 348,588.77 × 137,879.96
  4. Step 4: Simplify right side
    252,601.77x = 48,063,403,231.71
  5. Step 5: Solve for x
    x = 48,063,403,231.71/252,601.77
  6. Step 6: Final answer
    x = 190,273.42

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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.