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Finding the Fourth Proportional to 243,794.92, 336,434.58 and 136,363.72

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Solution

The fourth proportional to 243,794.92, 336,434.58 and 136,363.72 is: 188,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,794.92 : 336,434.58 = 136,363.72 : x
  2. Step 2: Convert to fraction form
    243,794.92/336,434.58 = 136,363.72/x
  3. Step 3: Cross multiply
    243,794.92x = 336,434.58 × 136,363.72
  4. Step 4: Simplify right side
    243,794.92x = 45,877,470,865.44
  5. Step 5: Solve for x
    x = 45,877,470,865.44/243,794.92
  6. Step 6: Final answer
    x = 188,180.59

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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.