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Finding the Fourth Proportional to 174,663.80, 261,606.90 and 135,006.20

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Solution

The fourth proportional to 174,663.80, 261,606.90 and 135,006.20 is: 202,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,663.80 : 261,606.90 = 135,006.20 : x
  2. Step 2: Convert to fraction form
    174,663.80/261,606.90 = 135,006.20/x
  3. Step 3: Cross multiply
    174,663.80x = 261,606.90 × 135,006.20
  4. Step 4: Simplify right side
    174,663.80x = 35,318,553,462.78
  5. Step 5: Solve for x
    x = 35,318,553,462.78/174,663.80
  6. Step 6: Final answer
    x = 202,208.78

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1.5x scale

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.