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Finding the Fourth Proportional to 101,593.35, 140,199.83 and 61,299.35

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Solution

The fourth proportional to 101,593.35, 140,199.83 and 61,299.35 is: 84,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,593.35 : 140,199.83 = 61,299.35 : x
  2. Step 2: Convert to fraction form
    101,593.35/140,199.83 = 61,299.35/x
  3. Step 3: Cross multiply
    101,593.35x = 140,199.83 × 61,299.35
  4. Step 4: Simplify right side
    101,593.35x = 8,594,157,441.61
  5. Step 5: Solve for x
    x = 8,594,157,441.61/101,593.35
  6. Step 6: Final answer
    x = 84,593.70

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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.