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Finding the Fourth Proportional to 73,422.96, 101,372.43 and 56,396.76

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Solution

The fourth proportional to 73,422.96, 101,372.43 and 56,396.76 is: 77,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.96 : 101,372.43 = 56,396.76 : x
  2. Step 2: Convert to fraction form
    73,422.96/101,372.43 = 56,396.76/x
  3. Step 3: Cross multiply
    73,422.96x = 101,372.43 × 56,396.76
  4. Step 4: Simplify right side
    73,422.96x = 5,717,076,605.33
  5. Step 5: Solve for x
    x = 5,717,076,605.33/73,422.96
  6. Step 6: Final answer
    x = 77,864.97

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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.