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Finding the Fourth Proportional to 100,047.05, 150,015.16 and 40,924.23

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Solution

The fourth proportional to 100,047.05, 150,015.16 and 40,924.23 is: 61,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,047.05 : 150,015.16 = 40,924.23 : x
  2. Step 2: Convert to fraction form
    100,047.05/150,015.16 = 40,924.23/x
  3. Step 3: Cross multiply
    100,047.05x = 150,015.16 × 40,924.23
  4. Step 4: Simplify right side
    100,047.05x = 6,139,254,911.33
  5. Step 5: Solve for x
    x = 6,139,254,911.33/100,047.05
  6. Step 6: Final answer
    x = 61,363.68

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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.