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Finding the Fourth Proportional to 109,707.62, 164,544.62 and 34,818.06

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Solution

The fourth proportional to 109,707.62, 164,544.62 and 34,818.06 is: 52,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,707.62 : 164,544.62 = 34,818.06 : x
  2. Step 2: Convert to fraction form
    109,707.62/164,544.62 = 34,818.06/x
  3. Step 3: Cross multiply
    109,707.62x = 164,544.62 × 34,818.06
  4. Step 4: Simplify right side
    109,707.62x = 5,729,124,451.84
  5. Step 5: Solve for x
    x = 5,729,124,451.84/109,707.62
  6. Step 6: Final answer
    x = 52,221.75

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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.