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Finding the Fourth Proportional to 468,848.70, 703,200.15 and 131,856.30

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Solution

The fourth proportional to 468,848.70, 703,200.15 and 131,856.30 is: 197,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,848.70 : 703,200.15 = 131,856.30 : x
  2. Step 2: Convert to fraction form
    468,848.70/703,200.15 = 131,856.30/x
  3. Step 3: Cross multiply
    468,848.70x = 703,200.15 × 131,856.30
  4. Step 4: Simplify right side
    468,848.70x = 92,721,369,938.45
  5. Step 5: Solve for x
    x = 92,721,369,938.45/468,848.70
  6. Step 6: Final answer
    x = 197,763.95

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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.