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Finding the Fourth Proportional to 104,257.62, 156,395.63 and 29,378.40

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Solution

The fourth proportional to 104,257.62, 156,395.63 and 29,378.40 is: 44,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,257.62 : 156,395.63 = 29,378.40 : x
  2. Step 2: Convert to fraction form
    104,257.62/156,395.63 = 29,378.40/x
  3. Step 3: Cross multiply
    104,257.62x = 156,395.63 × 29,378.40
  4. Step 4: Simplify right side
    104,257.62x = 4,594,653,229.50
  5. Step 5: Solve for x
    x = 4,594,653,229.50/104,257.62
  6. Step 6: Final answer
    x = 44,070.19

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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.