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Finding the Fourth Proportional to 110,612,012.80, 165,918,019.20 and 95,483,027.20

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Solution

The fourth proportional to 110,612,012.80, 165,918,019.20 and 95,483,027.20 is: 143,224,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,612,012.80 : 165,918,019.20 = 95,483,027.20 : x
  2. Step 2: Convert to fraction form
    110,612,012.80/165,918,019.20 = 95,483,027.20/x
  3. Step 3: Cross multiply
    110,612,012.80x = 165,918,019.20 × 95,483,027.20
  4. Step 4: Simplify right side
    110,612,012.80x = 15,842,354,740,243,722
  5. Step 5: Solve for x
    x = 15,842,354,740,243,722/110,612,012.80
  6. Step 6: Final answer
    x = 143,224,540.80

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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.