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Finding the Fourth Proportional to 222,502.69, 333,849.61 and 147,648.97

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Solution

The fourth proportional to 222,502.69, 333,849.61 and 147,648.97 is: 221,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,502.69 : 333,849.61 = 147,648.97 : x
  2. Step 2: Convert to fraction form
    222,502.69/333,849.61 = 147,648.97/x
  3. Step 3: Cross multiply
    222,502.69x = 333,849.61 × 147,648.97
  4. Step 4: Simplify right side
    222,502.69x = 49,292,551,051.40
  5. Step 5: Solve for x
    x = 49,292,551,051.40/222,502.69
  6. Step 6: Final answer
    x = 221,536.88

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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.