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Finding the Fourth Proportional to 268,502.11, 370,440.69 and 166,490.84

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Solution

The fourth proportional to 268,502.11, 370,440.69 and 166,490.84 is: 229,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,502.11 : 370,440.69 = 166,490.84 : x
  2. Step 2: Convert to fraction form
    268,502.11/370,440.69 = 166,490.84/x
  3. Step 3: Cross multiply
    268,502.11x = 370,440.69 × 166,490.84
  4. Step 4: Simplify right side
    268,502.11x = 61,674,981,648.28
  5. Step 5: Solve for x
    x = 61,674,981,648.28/268,502.11
  6. Step 6: Final answer
    x = 229,700.17

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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.