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Finding the Fourth Proportional to 107,953.44, 148,976.55 and 60,209.88

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Solution

The fourth proportional to 107,953.44, 148,976.55 and 60,209.88 is: 83,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,953.44 : 148,976.55 = 60,209.88 : x
  2. Step 2: Convert to fraction form
    107,953.44/148,976.55 = 60,209.88/x
  3. Step 3: Cross multiply
    107,953.44x = 148,976.55 × 60,209.88
  4. Step 4: Simplify right side
    107,953.44x = 8,969,860,198.31
  5. Step 5: Solve for x
    x = 8,969,860,198.31/107,953.44
  6. Step 6: Final answer
    x = 83,090.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.