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Finding the Fourth Proportional to 108,272.70, 162,360.45 and 41,690.70

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Solution

The fourth proportional to 108,272.70, 162,360.45 and 41,690.70 is: 62,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,272.70 : 162,360.45 = 41,690.70 : x
  2. Step 2: Convert to fraction form
    108,272.70/162,360.45 = 41,690.70/x
  3. Step 3: Cross multiply
    108,272.70x = 162,360.45 × 41,690.70
  4. Step 4: Simplify right side
    108,272.70x = 6,768,920,812.82
  5. Step 5: Solve for x
    x = 6,768,920,812.82/108,272.70
  6. Step 6: Final answer
    x = 62,517.34

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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.