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Finding the Fourth Proportional to 110,091.47, 165,137.22 and 26,985.47

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Solution

The fourth proportional to 110,091.47, 165,137.22 and 26,985.47 is: 40,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,091.47 : 165,137.22 = 26,985.47 : x
  2. Step 2: Convert to fraction form
    110,091.47/165,137.22 = 26,985.47/x
  3. Step 3: Cross multiply
    110,091.47x = 165,137.22 × 26,985.47
  4. Step 4: Simplify right side
    110,091.47x = 4,456,304,670.51
  5. Step 5: Solve for x
    x = 4,456,304,670.51/110,091.47
  6. Step 6: Final answer
    x = 40,478.20

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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.