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Finding the Fourth Proportional to 181,297.15, 250,175.40 and 104,821.15

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Solution

The fourth proportional to 181,297.15, 250,175.40 and 104,821.15 is: 144,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,297.15 : 250,175.40 = 104,821.15 : x
  2. Step 2: Convert to fraction form
    181,297.15/250,175.40 = 104,821.15/x
  3. Step 3: Cross multiply
    181,297.15x = 250,175.40 × 104,821.15
  4. Step 4: Simplify right side
    181,297.15x = 26,223,673,129.71
  5. Step 5: Solve for x
    x = 26,223,673,129.71/181,297.15
  6. Step 6: Final answer
    x = 144,644.71

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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.