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Finding the Fourth Proportional to 100,501.68, 150,556.52 and 55,994.40

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Solution

The fourth proportional to 100,501.68, 150,556.52 and 55,994.40 is: 83,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,501.68 : 150,556.52 = 55,994.40 : x
  2. Step 2: Convert to fraction form
    100,501.68/150,556.52 = 55,994.40/x
  3. Step 3: Cross multiply
    100,501.68x = 150,556.52 × 55,994.40
  4. Step 4: Simplify right side
    100,501.68x = 8,430,322,003.49
  5. Step 5: Solve for x
    x = 8,430,322,003.49/100,501.68
  6. Step 6: Final answer
    x = 83,882.40

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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.