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Finding the Fourth Proportional to 104,203.64, 156,305.64 and 25,317.92

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Solution

The fourth proportional to 104,203.64, 156,305.64 and 25,317.92 is: 37,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,203.64 : 156,305.64 = 25,317.92 : x
  2. Step 2: Convert to fraction form
    104,203.64/156,305.64 = 25,317.92/x
  3. Step 3: Cross multiply
    104,203.64x = 156,305.64 × 25,317.92
  4. Step 4: Simplify right side
    104,203.64x = 3,957,333,689.07
  5. Step 5: Solve for x
    x = 3,957,333,689.07/104,203.64
  6. Step 6: Final answer
    x = 37,976.92

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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.