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Finding the Fourth Proportional to 67,346.62, 100,224.75 and 65,104.13

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Solution

The fourth proportional to 67,346.62, 100,224.75 and 65,104.13 is: 96,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.62 : 100,224.75 = 65,104.13 : x
  2. Step 2: Convert to fraction form
    67,346.62/100,224.75 = 65,104.13/x
  3. Step 3: Cross multiply
    67,346.62x = 100,224.75 × 65,104.13
  4. Step 4: Simplify right side
    67,346.62x = 6,525,045,153.22
  5. Step 5: Solve for x
    x = 6,525,045,153.22/67,346.62
  6. Step 6: Final answer
    x = 96,887.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.