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Finding the Fourth Proportional to 110,684.52, 165,928.16 and 40,547.43

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Solution

The fourth proportional to 110,684.52, 165,928.16 and 40,547.43 is: 60,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,684.52 : 165,928.16 = 40,547.43 : x
  2. Step 2: Convert to fraction form
    110,684.52/165,928.16 = 40,547.43/x
  3. Step 3: Cross multiply
    110,684.52x = 165,928.16 × 40,547.43
  4. Step 4: Simplify right side
    110,684.52x = 6,727,960,554.00
  5. Step 5: Solve for x
    x = 6,727,960,554.00/110,684.52
  6. Step 6: Final answer
    x = 60,785.02

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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.