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Finding the Fourth Proportional to 110,345.97, 165,447.72 and 47,207.28

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Solution

The fourth proportional to 110,345.97, 165,447.72 and 47,207.28 is: 70,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,345.97 : 165,447.72 = 47,207.28 : x
  2. Step 2: Convert to fraction form
    110,345.97/165,447.72 = 47,207.28/x
  3. Step 3: Cross multiply
    110,345.97x = 165,447.72 × 47,207.28
  4. Step 4: Simplify right side
    110,345.97x = 7,810,336,843.40
  5. Step 5: Solve for x
    x = 7,810,336,843.40/110,345.97
  6. Step 6: Final answer
    x = 70,780.44

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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.