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Finding the Fourth Proportional to 232,398.75, 320,710.28 and 131,796.75

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Solution

The fourth proportional to 232,398.75, 320,710.28 and 131,796.75 is: 181,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,398.75 : 320,710.28 = 131,796.75 : x
  2. Step 2: Convert to fraction form
    232,398.75/320,710.28 = 131,796.75/x
  3. Step 3: Cross multiply
    232,398.75x = 320,710.28 × 131,796.75
  4. Step 4: Simplify right side
    232,398.75x = 42,268,572,595.59
  5. Step 5: Solve for x
    x = 42,268,572,595.59/232,398.75
  6. Step 6: Final answer
    x = 181,879.52

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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.