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Finding the Fourth Proportional to 127,930.04, 191,893.71 and 43,689.24

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Solution

The fourth proportional to 127,930.04, 191,893.71 and 43,689.24 is: 65,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.04 : 191,893.71 = 43,689.24 : x
  2. Step 2: Convert to fraction form
    127,930.04/191,893.71 = 43,689.24/x
  3. Step 3: Cross multiply
    127,930.04x = 191,893.71 × 43,689.24
  4. Step 4: Simplify right side
    127,930.04x = 8,383,690,350.68
  5. Step 5: Solve for x
    x = 8,383,690,350.68/127,930.04
  6. Step 6: Final answer
    x = 65,533.40

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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.