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Finding the Fourth Proportional to 157,951.52, 236,968.83 and 56,759.79

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Solution

The fourth proportional to 157,951.52, 236,968.83 and 56,759.79 is: 85,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,951.52 : 236,968.83 = 56,759.79 : x
  2. Step 2: Convert to fraction form
    157,951.52/236,968.83 = 56,759.79/x
  3. Step 3: Cross multiply
    157,951.52x = 236,968.83 × 56,759.79
  4. Step 4: Simplify right side
    157,951.52x = 13,450,301,027.35
  5. Step 5: Solve for x
    x = 13,450,301,027.35/157,951.52
  6. Step 6: Final answer
    x = 85,154.62

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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.