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Finding the Fourth Proportional to 107,059.65, 147,743.37 and 59,313.66

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Solution

The fourth proportional to 107,059.65, 147,743.37 and 59,313.66 is: 81,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,059.65 : 147,743.37 = 59,313.66 : x
  2. Step 2: Convert to fraction form
    107,059.65/147,743.37 = 59,313.66/x
  3. Step 3: Cross multiply
    107,059.65x = 147,743.37 × 59,313.66
  4. Step 4: Simplify right side
    107,059.65x = 8,763,200,015.43
  5. Step 5: Solve for x
    x = 8,763,200,015.43/107,059.65
  6. Step 6: Final answer
    x = 81,853.43

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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.