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Finding the Fourth Proportional to 108,626.30, 162,939.45 and 46,288.70

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Solution

The fourth proportional to 108,626.30, 162,939.45 and 46,288.70 is: 69,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,626.30 : 162,939.45 = 46,288.70 : x
  2. Step 2: Convert to fraction form
    108,626.30/162,939.45 = 46,288.70/x
  3. Step 3: Cross multiply
    108,626.30x = 162,939.45 × 46,288.70
  4. Step 4: Simplify right side
    108,626.30x = 7,542,255,319.22
  5. Step 5: Solve for x
    x = 7,542,255,319.22/108,626.30
  6. Step 6: Final answer
    x = 69,433.05

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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.