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Finding the Fourth Proportional to 168,666.50, 232,737.23 and 108,318.87

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Solution

The fourth proportional to 168,666.50, 232,737.23 and 108,318.87 is: 149,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,666.50 : 232,737.23 = 108,318.87 : x
  2. Step 2: Convert to fraction form
    168,666.50/232,737.23 = 108,318.87/x
  3. Step 3: Cross multiply
    168,666.50x = 232,737.23 × 108,318.87
  4. Step 4: Simplify right side
    168,666.50x = 25,209,834,031.33
  5. Step 5: Solve for x
    x = 25,209,834,031.33/168,666.50
  6. Step 6: Final answer
    x = 149,465.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.