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Finding the Fourth Proportional to 104,319.60, 156,479.40 and 62,847.60

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Solution

The fourth proportional to 104,319.60, 156,479.40 and 62,847.60 is: 94,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,319.60 : 156,479.40 = 62,847.60 : x
  2. Step 2: Convert to fraction form
    104,319.60/156,479.40 = 62,847.60/x
  3. Step 3: Cross multiply
    104,319.60x = 156,479.40 × 62,847.60
  4. Step 4: Simplify right side
    104,319.60x = 9,834,354,739.44
  5. Step 5: Solve for x
    x = 9,834,354,739.44/104,319.60
  6. Step 6: Final answer
    x = 94,271.40

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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.