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Finding the Fourth Proportional to 227,295.85, 313,705.23 and 136,743.34

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Solution

The fourth proportional to 227,295.85, 313,705.23 and 136,743.34 is: 188,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,295.85 : 313,705.23 = 136,743.34 : x
  2. Step 2: Convert to fraction form
    227,295.85/313,705.23 = 136,743.34/x
  3. Step 3: Cross multiply
    227,295.85x = 313,705.23 × 136,743.34
  4. Step 4: Simplify right side
    227,295.85x = 42,897,100,925.67
  5. Step 5: Solve for x
    x = 42,897,100,925.67/227,295.85
  6. Step 6: Final answer
    x = 188,728.04

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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.