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Finding the Fourth Proportional to 107,757.88, 148,705.50 and 60,011.80

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Solution

The fourth proportional to 107,757.88, 148,705.50 and 60,011.80 is: 82,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.88 : 148,705.50 = 60,011.80 : x
  2. Step 2: Convert to fraction form
    107,757.88/148,705.50 = 60,011.80/x
  3. Step 3: Cross multiply
    107,757.88x = 148,705.50 × 60,011.80
  4. Step 4: Simplify right side
    107,757.88x = 8,924,084,724.90
  5. Step 5: Solve for x
    x = 8,924,084,724.90/107,757.88
  6. Step 6: Final answer
    x = 82,816.08

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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.