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Finding the Fourth Proportional to 60,660,852, 90,991,278 and 20,271,336

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Solution

The fourth proportional to 60,660,852, 90,991,278 and 20,271,336 is: 30,407,004

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660,852 : 90,991,278 = 20,271,336 : x
  2. Step 2: Convert to fraction form
    60,660,852/90,991,278 = 20,271,336/x
  3. Step 3: Cross multiply
    60,660,852x = 90,991,278 × 20,271,336
  4. Step 4: Simplify right side
    60,660,852x = 1,844,514,769,407,408
  5. Step 5: Solve for x
    x = 1,844,514,769,407,408/60,660,852
  6. Step 6: Final answer
    x = 30,407,004

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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.