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Finding the Fourth Proportional to 268,507.67, 370,448.28 and 166,496.40

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Solution

The fourth proportional to 268,507.67, 370,448.28 and 166,496.40 is: 229,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,507.67 : 370,448.28 = 166,496.40 : x
  2. Step 2: Convert to fraction form
    268,507.67/370,448.28 = 166,496.40/x
  3. Step 3: Cross multiply
    268,507.67x = 370,448.28 × 166,496.40
  4. Step 4: Simplify right side
    268,507.67x = 61,678,305,006.19
  5. Step 5: Solve for x
    x = 61,678,305,006.19/268,507.67
  6. Step 6: Final answer
    x = 229,707.80

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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.