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Finding the Fourth Proportional to 109,361.35, 150,918.68 and 59,060.35

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Solution

The fourth proportional to 109,361.35, 150,918.68 and 59,060.35 is: 81,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.35 : 150,918.68 = 59,060.35 : x
  2. Step 2: Convert to fraction form
    109,361.35/150,918.68 = 59,060.35/x
  3. Step 3: Cross multiply
    109,361.35x = 150,918.68 × 59,060.35
  4. Step 4: Simplify right side
    109,361.35x = 8,913,310,398.64
  5. Step 5: Solve for x
    x = 8,913,310,398.64/109,361.35
  6. Step 6: Final answer
    x = 81,503.29

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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.