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Finding the Fourth Proportional to 110,088.01, 165,131.14 and 65,418.94

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Solution

The fourth proportional to 110,088.01, 165,131.14 and 65,418.94 is: 98,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,088.01 : 165,131.14 = 65,418.94 : x
  2. Step 2: Convert to fraction form
    110,088.01/165,131.14 = 65,418.94/x
  3. Step 3: Cross multiply
    110,088.01x = 165,131.14 × 65,418.94
  4. Step 4: Simplify right side
    110,088.01x = 10,802,704,581.30
  5. Step 5: Solve for x
    x = 10,802,704,581.30/110,088.01
  6. Step 6: Final answer
    x = 98,127.89

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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.