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Finding the Fourth Proportional to 157,387.82, 236,127.87 and 50,769.63

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Solution

The fourth proportional to 157,387.82, 236,127.87 and 50,769.63 is: 76,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,387.82 : 236,127.87 = 50,769.63 : x
  2. Step 2: Convert to fraction form
    157,387.82/236,127.87 = 50,769.63/x
  3. Step 3: Cross multiply
    157,387.82x = 236,127.87 × 50,769.63
  4. Step 4: Simplify right side
    157,387.82x = 11,988,124,592.59
  5. Step 5: Solve for x
    x = 11,988,124,592.59/157,387.82
  6. Step 6: Final answer
    x = 76,169.33

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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.