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Finding the Fourth Proportional to 268,657.38, 370,537.28 and 166,625.64

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Solution

The fourth proportional to 268,657.38, 370,537.28 and 166,625.64 is: 229,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,657.38 : 370,537.28 = 166,625.64 : x
  2. Step 2: Convert to fraction form
    268,657.38/370,537.28 = 166,625.64/x
  3. Step 3: Cross multiply
    268,657.38x = 370,537.28 × 166,625.64
  4. Step 4: Simplify right side
    268,657.38x = 61,741,011,423.86
  5. Step 5: Solve for x
    x = 61,741,011,423.86/268,657.38
  6. Step 6: Final answer
    x = 229,813.20

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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.