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Finding the Fourth Proportional to 157,759.31, 236,638.97 and 46,951.31

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Solution

The fourth proportional to 157,759.31, 236,638.97 and 46,951.31 is: 70,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,759.31 : 236,638.97 = 46,951.31 : x
  2. Step 2: Convert to fraction form
    157,759.31/236,638.97 = 46,951.31/x
  3. Step 3: Cross multiply
    157,759.31x = 236,638.97 × 46,951.31
  4. Step 4: Simplify right side
    157,759.31x = 11,110,510,171.46
  5. Step 5: Solve for x
    x = 11,110,510,171.46/157,759.31
  6. Step 6: Final answer
    x = 70,426.97

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1.5x scale

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.