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Finding the Fourth Proportional to 107,808.56, 148,775.78 and 60,064.96

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Solution

The fourth proportional to 107,808.56, 148,775.78 and 60,064.96 is: 82,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,808.56 : 148,775.78 = 60,064.96 : x
  2. Step 2: Convert to fraction form
    107,808.56/148,775.78 = 60,064.96/x
  3. Step 3: Cross multiply
    107,808.56x = 148,775.78 × 60,064.96
  4. Step 4: Simplify right side
    107,808.56x = 8,936,211,274.67
  5. Step 5: Solve for x
    x = 8,936,211,274.67/107,808.56
  6. Step 6: Final answer
    x = 82,889.63

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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.