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Finding the Fourth Proportional to 195,263.20, 292,246.80 and 141,803.20

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Solution

The fourth proportional to 195,263.20, 292,246.80 and 141,803.20 is: 212,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,263.20 : 292,246.80 = 141,803.20 : x
  2. Step 2: Convert to fraction form
    195,263.20/292,246.80 = 141,803.20/x
  3. Step 3: Cross multiply
    195,263.20x = 292,246.80 × 141,803.20
  4. Step 4: Simplify right side
    195,263.20x = 41,441,531,429.76
  5. Step 5: Solve for x
    x = 41,441,531,429.76/195,263.20
  6. Step 6: Final answer
    x = 212,234.21

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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.