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Finding the Fourth Proportional to 272,951.40, 409,281.30 and 95,464.20

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Solution

The fourth proportional to 272,951.40, 409,281.30 and 95,464.20 is: 143,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,951.40 : 409,281.30 = 95,464.20 : x
  2. Step 2: Convert to fraction form
    272,951.40/409,281.30 = 95,464.20/x
  3. Step 3: Cross multiply
    272,951.40x = 409,281.30 × 95,464.20
  4. Step 4: Simplify right side
    272,951.40x = 39,071,711,879.46
  5. Step 5: Solve for x
    x = 39,071,711,879.46/272,951.40
  6. Step 6: Final answer
    x = 143,145.31

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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.