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Finding the Fourth Proportional to 67,704.93, 101,006.19 and 65,965.05

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Solution

The fourth proportional to 67,704.93, 101,006.19 and 65,965.05 is: 98,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,704.93 : 101,006.19 = 65,965.05 : x
  2. Step 2: Convert to fraction form
    67,704.93/101,006.19 = 65,965.05/x
  3. Step 3: Cross multiply
    67,704.93x = 101,006.19 × 65,965.05
  4. Step 4: Simplify right side
    67,704.93x = 6,662,878,373.66
  5. Step 5: Solve for x
    x = 6,662,878,373.66/67,704.93
  6. Step 6: Final answer
    x = 98,410.53

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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.