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Finding the Fourth Proportional to 109,022.40, 163,544.40 and 37,934.10

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Solution

The fourth proportional to 109,022.40, 163,544.40 and 37,934.10 is: 56,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,022.40 : 163,544.40 = 37,934.10 : x
  2. Step 2: Convert to fraction form
    109,022.40/163,544.40 = 37,934.10/x
  3. Step 3: Cross multiply
    109,022.40x = 163,544.40 × 37,934.10
  4. Step 4: Simplify right side
    109,022.40x = 6,203,909,624.04
  5. Step 5: Solve for x
    x = 6,203,909,624.04/109,022.40
  6. Step 6: Final answer
    x = 56,904.91

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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.