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Finding the Fourth Proportional to 227,297.34, 313,707.30 and 136,744.84

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Solution

The fourth proportional to 227,297.34, 313,707.30 and 136,744.84 is: 188,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,297.34 : 313,707.30 = 136,744.84 : x
  2. Step 2: Convert to fraction form
    227,297.34/313,707.30 = 136,744.84/x
  3. Step 3: Cross multiply
    227,297.34x = 313,707.30 × 136,744.84
  4. Step 4: Simplify right side
    227,297.34x = 42,897,854,545.33
  5. Step 5: Solve for x
    x = 42,897,854,545.33/227,297.34
  6. Step 6: Final answer
    x = 188,730.12

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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.