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Finding the Fourth Proportional to 316,848.80, 475,273.20 and 95,232.80

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Solution

The fourth proportional to 316,848.80, 475,273.20 and 95,232.80 is: 142,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,848.80 : 475,273.20 = 95,232.80 : x
  2. Step 2: Convert to fraction form
    316,848.80/475,273.20 = 95,232.80/x
  3. Step 3: Cross multiply
    316,848.80x = 475,273.20 × 95,232.80
  4. Step 4: Simplify right side
    316,848.80x = 45,261,597,600.96
  5. Step 5: Solve for x
    x = 45,261,597,600.96/316,848.80
  6. Step 6: Final answer
    x = 142,849.20

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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.