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Finding the Fourth Proportional to 172,924.80, 259,463.40 and 73,153.84

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Solution

The fourth proportional to 172,924.80, 259,463.40 and 73,153.84 is: 109,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.80 : 259,463.40 = 73,153.84 : x
  2. Step 2: Convert to fraction form
    172,924.80/259,463.40 = 73,153.84/x
  3. Step 3: Cross multiply
    172,924.80x = 259,463.40 × 73,153.84
  4. Step 4: Simplify right side
    172,924.80x = 18,980,744,049.46
  5. Step 5: Solve for x
    x = 18,980,744,049.46/172,924.80
  6. Step 6: Final answer
    x = 109,763.00

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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.