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Finding the Fourth Proportional to 127,611.93, 191,426.71 and 43,337.71

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Solution

The fourth proportional to 127,611.93, 191,426.71 and 43,337.71 is: 65,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.93 : 191,426.71 = 43,337.71 : x
  2. Step 2: Convert to fraction form
    127,611.93/191,426.71 = 43,337.71/x
  3. Step 3: Cross multiply
    127,611.93x = 191,426.71 × 43,337.71
  4. Step 4: Simplify right side
    127,611.93x = 8,295,995,456.43
  5. Step 5: Solve for x
    x = 8,295,995,456.43/127,611.93
  6. Step 6: Final answer
    x = 65,009.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.