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Finding the Fourth Proportional to 222,649.76, 307,551.12 and 165,962.72

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Solution

The fourth proportional to 222,649.76, 307,551.12 and 165,962.72 is: 229,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,649.76 : 307,551.12 = 165,962.72 : x
  2. Step 2: Convert to fraction form
    222,649.76/307,551.12 = 165,962.72/x
  3. Step 3: Cross multiply
    222,649.76x = 307,551.12 × 165,962.72
  4. Step 4: Simplify right side
    222,649.76x = 51,042,020,414.25
  5. Step 5: Solve for x
    x = 51,042,020,414.25/222,649.76
  6. Step 6: Final answer
    x = 229,248.04

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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.