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Finding the Fourth Proportional to 104,107.49, 156,160.71 and 25,221.72

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Solution

The fourth proportional to 104,107.49, 156,160.71 and 25,221.72 is: 37,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,107.49 : 156,160.71 = 25,221.72 : x
  2. Step 2: Convert to fraction form
    104,107.49/156,160.71 = 25,221.72/x
  3. Step 3: Cross multiply
    104,107.49x = 156,160.71 × 25,221.72
  4. Step 4: Simplify right side
    104,107.49x = 3,938,641,702.62
  5. Step 5: Solve for x
    x = 3,938,641,702.62/104,107.49
  6. Step 6: Final answer
    x = 37,832.45

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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.