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Finding the Fourth Proportional to 243,924.92, 336,605.32 and 135,033.28

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Solution

The fourth proportional to 243,924.92, 336,605.32 and 135,033.28 is: 186,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,924.92 : 336,605.32 = 135,033.28 : x
  2. Step 2: Convert to fraction form
    243,924.92/336,605.32 = 135,033.28/x
  3. Step 3: Cross multiply
    243,924.92x = 336,605.32 × 135,033.28
  4. Step 4: Simplify right side
    243,924.92x = 45,452,919,752.33
  5. Step 5: Solve for x
    x = 45,452,919,752.33/243,924.92
  6. Step 6: Final answer
    x = 186,339.80

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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.