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Finding the Fourth Proportional to 73,855.32, 101,885.46 and 43,620.48

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Solution

The fourth proportional to 73,855.32, 101,885.46 and 43,620.48 is: 60,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,855.32 : 101,885.46 = 43,620.48 : x
  2. Step 2: Convert to fraction form
    73,855.32/101,885.46 = 43,620.48/x
  3. Step 3: Cross multiply
    73,855.32x = 101,885.46 × 43,620.48
  4. Step 4: Simplify right side
    73,855.32x = 4,444,292,670.22
  5. Step 5: Solve for x
    x = 4,444,292,670.22/73,855.32
  6. Step 6: Final answer
    x = 60,175.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.