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Finding the Fourth Proportional to 100,264.77, 138,361.32 and 59,954.76

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Solution

The fourth proportional to 100,264.77, 138,361.32 and 59,954.76 is: 82,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,264.77 : 138,361.32 = 59,954.76 : x
  2. Step 2: Convert to fraction form
    100,264.77/138,361.32 = 59,954.76/x
  3. Step 3: Cross multiply
    100,264.77x = 138,361.32 × 59,954.76
  4. Step 4: Simplify right side
    100,264.77x = 8,295,419,733.88
  5. Step 5: Solve for x
    x = 8,295,419,733.88/100,264.77
  6. Step 6: Final answer
    x = 82,735.14

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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.