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Finding the Fourth Proportional to 316,175.83, 473,809 and 136,211.84

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Solution

The fourth proportional to 316,175.83, 473,809 and 136,211.84 is: 204,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,175.83 : 473,809 = 136,211.84 : x
  2. Step 2: Convert to fraction form
    316,175.83/473,809 = 136,211.84/x
  3. Step 3: Cross multiply
    316,175.83x = 473,809 × 136,211.84
  4. Step 4: Simplify right side
    316,175.83x = 64,538,395,698.56
  5. Step 5: Solve for x
    x = 64,538,395,698.56/316,175.83
  6. Step 6: Final answer
    x = 204,121.85

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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.