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Finding the Fourth Proportional to 109,900.45, 164,848.89 and 35,019.59

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Solution

The fourth proportional to 109,900.45, 164,848.89 and 35,019.59 is: 52,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,900.45 : 164,848.89 = 35,019.59 : x
  2. Step 2: Convert to fraction form
    109,900.45/164,848.89 = 35,019.59/x
  3. Step 3: Cross multiply
    109,900.45x = 164,848.89 × 35,019.59
  4. Step 4: Simplify right side
    109,900.45x = 5,772,939,540.41
  5. Step 5: Solve for x
    x = 5,772,939,540.41/109,900.45
  6. Step 6: Final answer
    x = 52,528.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.