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Finding the Fourth Proportional to 146,502.60, 219,753.90 and 99,846.60

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Solution

The fourth proportional to 146,502.60, 219,753.90 and 99,846.60 is: 149,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,502.60 : 219,753.90 = 99,846.60 : x
  2. Step 2: Convert to fraction form
    146,502.60/219,753.90 = 99,846.60/x
  3. Step 3: Cross multiply
    146,502.60x = 219,753.90 × 99,846.60
  4. Step 4: Simplify right side
    146,502.60x = 21,941,679,751.74
  5. Step 5: Solve for x
    x = 21,941,679,751.74/146,502.60
  6. Step 6: Final answer
    x = 149,769.90

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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.