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Finding the Fourth Proportional to 181,998.84, 273,020.13 and 172,045.56

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Solution

The fourth proportional to 181,998.84, 273,020.13 and 172,045.56 is: 258,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,998.84 : 273,020.13 = 172,045.56 : x
  2. Step 2: Convert to fraction form
    181,998.84/273,020.13 = 172,045.56/x
  3. Step 3: Cross multiply
    181,998.84x = 273,020.13 × 172,045.56
  4. Step 4: Simplify right side
    181,998.84x = 46,971,901,157.12
  5. Step 5: Solve for x
    x = 46,971,901,157.12/181,998.84
  6. Step 6: Final answer
    x = 258,089.01

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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.