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Finding the Fourth Proportional to 110,585.45, 165,878.18 and 27,479.45

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Solution

The fourth proportional to 110,585.45, 165,878.18 and 27,479.45 is: 41,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,585.45 : 165,878.18 = 27,479.45 : x
  2. Step 2: Convert to fraction form
    110,585.45/165,878.18 = 27,479.45/x
  3. Step 3: Cross multiply
    110,585.45x = 165,878.18 × 27,479.45
  4. Step 4: Simplify right side
    110,585.45x = 4,558,240,186.61
  5. Step 5: Solve for x
    x = 4,558,240,186.61/110,585.45
  6. Step 6: Final answer
    x = 41,219.17

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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.