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Finding the Fourth Proportional to 107,903.50, 148,903.58 and 59,505.41

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Solution

The fourth proportional to 107,903.50, 148,903.58 and 59,505.41 is: 82,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,903.50 : 148,903.58 = 59,505.41 : x
  2. Step 2: Convert to fraction form
    107,903.50/148,903.58 = 59,505.41/x
  3. Step 3: Cross multiply
    107,903.50x = 148,903.58 × 59,505.41
  4. Step 4: Simplify right side
    107,903.50x = 8,860,568,578.37
  5. Step 5: Solve for x
    x = 8,860,568,578.37/107,903.50
  6. Step 6: Final answer
    x = 82,115.67

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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.