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Finding the Fourth Proportional to 316,752.24, 475,188.18 and 127,227.48

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Solution

The fourth proportional to 316,752.24, 475,188.18 and 127,227.48 is: 190,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,752.24 : 475,188.18 = 127,227.48 : x
  2. Step 2: Convert to fraction form
    316,752.24/475,188.18 = 127,227.48/x
  3. Step 3: Cross multiply
    316,752.24x = 475,188.18 × 127,227.48
  4. Step 4: Simplify right side
    316,752.24x = 60,456,994,667.19
  5. Step 5: Solve for x
    x = 60,456,994,667.19/316,752.24
  6. Step 6: Final answer
    x = 190,865.25

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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.