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Finding the Fourth Proportional to 100,053.08, 150,079.62 and 47,433.86

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Solution

The fourth proportional to 100,053.08, 150,079.62 and 47,433.86 is: 71,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,053.08 : 150,079.62 = 47,433.86 : x
  2. Step 2: Convert to fraction form
    100,053.08/150,079.62 = 47,433.86/x
  3. Step 3: Cross multiply
    100,053.08x = 150,079.62 × 47,433.86
  4. Step 4: Simplify right side
    100,053.08x = 7,118,855,683.93
  5. Step 5: Solve for x
    x = 7,118,855,683.93/100,053.08
  6. Step 6: Final answer
    x = 71,150.79

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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.