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Finding the Fourth Proportional to 73,286.51, 101,142.54 and 52,885.44

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Solution

The fourth proportional to 73,286.51, 101,142.54 and 52,885.44 is: 72,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286.51 : 101,142.54 = 52,885.44 : x
  2. Step 2: Convert to fraction form
    73,286.51/101,142.54 = 52,885.44/x
  3. Step 3: Cross multiply
    73,286.51x = 101,142.54 × 52,885.44
  4. Step 4: Simplify right side
    73,286.51x = 5,348,967,730.62
  5. Step 5: Solve for x
    x = 5,348,967,730.62/73,286.51
  6. Step 6: Final answer
    x = 72,987.08

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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.