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Finding the Fourth Proportional to 101,093.87, 139,512.07 and 62,340.23

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Solution

The fourth proportional to 101,093.87, 139,512.07 and 62,340.23 is: 86,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,093.87 : 139,512.07 = 62,340.23 : x
  2. Step 2: Convert to fraction form
    101,093.87/139,512.07 = 62,340.23/x
  3. Step 3: Cross multiply
    101,093.87x = 139,512.07 × 62,340.23
  4. Step 4: Simplify right side
    101,093.87x = 8,697,214,958.28
  5. Step 5: Solve for x
    x = 8,697,214,958.28/101,093.87
  6. Step 6: Final answer
    x = 86,031.08

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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.