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Finding the Fourth Proportional to 250,878.16, 346,081.08 and 154,103.82

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Solution

The fourth proportional to 250,878.16, 346,081.08 and 154,103.82 is: 212,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,878.16 : 346,081.08 = 154,103.82 : x
  2. Step 2: Convert to fraction form
    250,878.16/346,081.08 = 154,103.82/x
  3. Step 3: Cross multiply
    250,878.16x = 346,081.08 × 154,103.82
  4. Step 4: Simplify right side
    250,878.16x = 53,332,416,817.68
  5. Step 5: Solve for x
    x = 53,332,416,817.68/250,878.16
  6. Step 6: Final answer
    x = 212,582.94

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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.