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Finding the Fourth Proportional to 181,369.80, 250,251.66 and 109,735.56

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Solution

The fourth proportional to 181,369.80, 250,251.66 and 109,735.56 is: 151,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,369.80 : 250,251.66 = 109,735.56 : x
  2. Step 2: Convert to fraction form
    181,369.80/250,251.66 = 109,735.56/x
  3. Step 3: Cross multiply
    181,369.80x = 250,251.66 × 109,735.56
  4. Step 4: Simplify right side
    181,369.80x = 27,461,506,051.03
  5. Step 5: Solve for x
    x = 27,461,506,051.03/181,369.80
  6. Step 6: Final answer
    x = 151,411.68

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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.