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Finding the Fourth Proportional to 227,608.98, 314,226.20 and 136,987.19

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Solution

The fourth proportional to 227,608.98, 314,226.20 and 136,987.19 is: 189,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,608.98 : 314,226.20 = 136,987.19 : x
  2. Step 2: Convert to fraction form
    227,608.98/314,226.20 = 136,987.19/x
  3. Step 3: Cross multiply
    227,608.98x = 314,226.20 × 136,987.19
  4. Step 4: Simplify right side
    227,608.98x = 43,044,964,162.38
  5. Step 5: Solve for x
    x = 43,044,964,162.38/227,608.98
  6. Step 6: Final answer
    x = 189,118.04

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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.