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Finding the Fourth Proportional to 144,919.62, 200,005.74 and 96,518.88

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Solution

The fourth proportional to 144,919.62, 200,005.74 and 96,518.88 is: 133,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,919.62 : 200,005.74 = 96,518.88 : x
  2. Step 2: Convert to fraction form
    144,919.62/200,005.74 = 96,518.88/x
  3. Step 3: Cross multiply
    144,919.62x = 200,005.74 × 96,518.88
  4. Step 4: Simplify right side
    144,919.62x = 19,304,330,018.37
  5. Step 5: Solve for x
    x = 19,304,330,018.37/144,919.62
  6. Step 6: Final answer
    x = 133,207.15

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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.