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Finding the Fourth Proportional to 100,447.49, 150,666.35 and 37,279.92

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Solution

The fourth proportional to 100,447.49, 150,666.35 and 37,279.92 is: 55,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,447.49 : 150,666.35 = 37,279.92 : x
  2. Step 2: Convert to fraction form
    100,447.49/150,666.35 = 37,279.92/x
  3. Step 3: Cross multiply
    100,447.49x = 150,666.35 × 37,279.92
  4. Step 4: Simplify right side
    100,447.49x = 5,616,829,474.69
  5. Step 5: Solve for x
    x = 5,616,829,474.69/100,447.49
  6. Step 6: Final answer
    x = 55,918.07

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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.