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Finding the Fourth Proportional to 68,341.70, 102,512.55 and 41,960.90

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Solution

The fourth proportional to 68,341.70, 102,512.55 and 41,960.90 is: 62,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.70 : 102,512.55 = 41,960.90 : x
  2. Step 2: Convert to fraction form
    68,341.70/102,512.55 = 41,960.90/x
  3. Step 3: Cross multiply
    68,341.70x = 102,512.55 × 41,960.90
  4. Step 4: Simplify right side
    68,341.70x = 4,301,518,859.30
  5. Step 5: Solve for x
    x = 4,301,518,859.30/68,341.70
  6. Step 6: Final answer
    x = 62,941.35

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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.