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Finding the Fourth Proportional to 73,088.01, 100,850.67 and 42,861.92

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Solution

The fourth proportional to 73,088.01, 100,850.67 and 42,861.92 is: 59,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,088.01 : 100,850.67 = 42,861.92 : x
  2. Step 2: Convert to fraction form
    73,088.01/100,850.67 = 42,861.92/x
  3. Step 3: Cross multiply
    73,088.01x = 100,850.67 × 42,861.92
  4. Step 4: Simplify right side
    73,088.01x = 4,322,652,845.23
  5. Step 5: Solve for x
    x = 4,322,652,845.23/73,088.01
  6. Step 6: Final answer
    x = 59,143.12

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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.