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Finding the Fourth Proportional to 109,730.40, 164,595.64 and 26,624.40

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Solution

The fourth proportional to 109,730.40, 164,595.64 and 26,624.40 is: 39,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.40 : 164,595.64 = 26,624.40 : x
  2. Step 2: Convert to fraction form
    109,730.40/164,595.64 = 26,624.40/x
  3. Step 3: Cross multiply
    109,730.40x = 164,595.64 × 26,624.40
  4. Step 4: Simplify right side
    109,730.40x = 4,382,260,157.62
  5. Step 5: Solve for x
    x = 4,382,260,157.62/109,730.40
  6. Step 6: Final answer
    x = 39,936.61

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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.