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Finding the Fourth Proportional to 230,797.74, 346,260.18 and 81,018.26

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Solution

The fourth proportional to 230,797.74, 346,260.18 and 81,018.26 is: 121,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,797.74 : 346,260.18 = 81,018.26 : x
  2. Step 2: Convert to fraction form
    230,797.74/346,260.18 = 81,018.26/x
  3. Step 3: Cross multiply
    230,797.74x = 346,260.18 × 81,018.26
  4. Step 4: Simplify right side
    230,797.74x = 28,053,397,290.89
  5. Step 5: Solve for x
    x = 28,053,397,290.89/230,797.74
  6. Step 6: Final answer
    x = 121,549.71

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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.