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Finding the Fourth Proportional to 268,333.38, 370,308.98 and 157,932.01

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Solution

The fourth proportional to 268,333.38, 370,308.98 and 157,932.01 is: 217,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,333.38 : 370,308.98 = 157,932.01 : x
  2. Step 2: Convert to fraction form
    268,333.38/370,308.98 = 157,932.01/x
  3. Step 3: Cross multiply
    268,333.38x = 370,308.98 × 157,932.01
  4. Step 4: Simplify right side
    268,333.38x = 58,483,641,893.08
  5. Step 5: Solve for x
    x = 58,483,641,893.08/268,333.38
  6. Step 6: Final answer
    x = 217,951.42

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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.