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Finding the Fourth Proportional to 104,506.60, 156,798.30 and 42,183.40

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Solution

The fourth proportional to 104,506.60, 156,798.30 and 42,183.40 is: 63,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.60 : 156,798.30 = 42,183.40 : x
  2. Step 2: Convert to fraction form
    104,506.60/156,798.30 = 42,183.40/x
  3. Step 3: Cross multiply
    104,506.60x = 156,798.30 × 42,183.40
  4. Step 4: Simplify right side
    104,506.60x = 6,614,285,408.22
  5. Step 5: Solve for x
    x = 6,614,285,408.22/104,506.60
  6. Step 6: Final answer
    x = 63,290.60

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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.