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Finding the Fourth Proportional to 173,230.80, 239,051.64 and 108,734.40

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Solution

The fourth proportional to 173,230.80, 239,051.64 and 108,734.40 is: 150,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,230.80 : 239,051.64 = 108,734.40 : x
  2. Step 2: Convert to fraction form
    173,230.80/239,051.64 = 108,734.40/x
  3. Step 3: Cross multiply
    173,230.80x = 239,051.64 × 108,734.40
  4. Step 4: Simplify right side
    173,230.80x = 25,993,136,644.42
  5. Step 5: Solve for x
    x = 25,993,136,644.42/173,230.80
  6. Step 6: Final answer
    x = 150,049.16

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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.