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Finding the Fourth Proportional to 110,585.18, 165,877.78 and 27,479.18

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Solution

The fourth proportional to 110,585.18, 165,877.78 and 27,479.18 is: 41,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,585.18 : 165,877.78 = 27,479.18 : x
  2. Step 2: Convert to fraction form
    110,585.18/165,877.78 = 27,479.18/x
  3. Step 3: Cross multiply
    110,585.18x = 165,877.78 × 27,479.18
  4. Step 4: Simplify right side
    110,585.18x = 4,558,185,374.62
  5. Step 5: Solve for x
    x = 4,558,185,374.62/110,585.18
  6. Step 6: Final answer
    x = 41,218.77

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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.