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Finding the Fourth Proportional to 101,334.48, 139,837.41 and 58,889.76

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Solution

The fourth proportional to 101,334.48, 139,837.41 and 58,889.76 is: 81,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,334.48 : 139,837.41 = 58,889.76 : x
  2. Step 2: Convert to fraction form
    101,334.48/139,837.41 = 58,889.76/x
  3. Step 3: Cross multiply
    101,334.48x = 139,837.41 × 58,889.76
  4. Step 4: Simplify right side
    101,334.48x = 8,234,991,513.92
  5. Step 5: Solve for x
    x = 8,234,991,513.92/101,334.48
  6. Step 6: Final answer
    x = 81,265.44

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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.