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Finding the Fourth Proportional to 181,667.70, 250,651.08 and 109,051.74

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Solution

The fourth proportional to 181,667.70, 250,651.08 and 109,051.74 is: 150,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,667.70 : 250,651.08 = 109,051.74 : x
  2. Step 2: Convert to fraction form
    181,667.70/250,651.08 = 109,051.74/x
  3. Step 3: Cross multiply
    181,667.70x = 250,651.08 × 109,051.74
  4. Step 4: Simplify right side
    181,667.70x = 27,333,936,406.88
  5. Step 5: Solve for x
    x = 27,333,936,406.88/181,667.70
  6. Step 6: Final answer
    x = 150,461.18

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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.