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Finding the Fourth Proportional to 107,703.91, 148,636.26 and 59,960.26

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Solution

The fourth proportional to 107,703.91, 148,636.26 and 59,960.26 is: 82,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.91 : 148,636.26 = 59,960.26 : x
  2. Step 2: Convert to fraction form
    107,703.91/148,636.26 = 59,960.26/x
  3. Step 3: Cross multiply
    107,703.91x = 148,636.26 × 59,960.26
  4. Step 4: Simplify right side
    107,703.91x = 8,912,268,795.03
  5. Step 5: Solve for x
    x = 8,912,268,795.03/107,703.91
  6. Step 6: Final answer
    x = 82,747.87

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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.