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Finding the Fourth Proportional to 73,722.96, 101,737.43 and 40,188.96

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Solution

The fourth proportional to 73,722.96, 101,737.43 and 40,188.96 is: 55,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722.96 : 101,737.43 = 40,188.96 : x
  2. Step 2: Convert to fraction form
    73,722.96/101,737.43 = 40,188.96/x
  3. Step 3: Cross multiply
    73,722.96x = 101,737.43 × 40,188.96
  4. Step 4: Simplify right side
    73,722.96x = 4,088,721,504.77
  5. Step 5: Solve for x
    x = 4,088,721,504.77/73,722.96
  6. Step 6: Final answer
    x = 55,460.63

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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.