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Finding the Fourth Proportional to 107,212.80, 160,876.80 and 44,889.60

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Solution

The fourth proportional to 107,212.80, 160,876.80 and 44,889.60 is: 67,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,212.80 : 160,876.80 = 44,889.60 : x
  2. Step 2: Convert to fraction form
    107,212.80/160,876.80 = 44,889.60/x
  3. Step 3: Cross multiply
    107,212.80x = 160,876.80 × 44,889.60
  4. Step 4: Simplify right side
    107,212.80x = 7,221,695,201.28
  5. Step 5: Solve for x
    x = 7,221,695,201.28/107,212.80
  6. Step 6: Final answer
    x = 67,358.52

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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.