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Finding the Fourth Proportional to 107,329.68, 148,063.50 and 75,516.12

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Solution

The fourth proportional to 107,329.68, 148,063.50 and 75,516.12 is: 104,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,329.68 : 148,063.50 = 75,516.12 : x
  2. Step 2: Convert to fraction form
    107,329.68/148,063.50 = 75,516.12/x
  3. Step 3: Cross multiply
    107,329.68x = 148,063.50 × 75,516.12
  4. Step 4: Simplify right side
    107,329.68x = 11,181,181,033.62
  5. Step 5: Solve for x
    x = 11,181,181,033.62/107,329.68
  6. Step 6: Final answer
    x = 104,176.04

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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.