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Finding the Fourth Proportional to 60,660,850, 90,991,275 and 20,271,334

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Solution

The fourth proportional to 60,660,850, 90,991,275 and 20,271,334 is: 30,407,001

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660,850 : 90,991,275 = 20,271,334 : x
  2. Step 2: Convert to fraction form
    60,660,850/90,991,275 = 20,271,334/x
  3. Step 3: Cross multiply
    60,660,850x = 90,991,275 × 20,271,334
  4. Step 4: Simplify right side
    60,660,850x = 1,844,514,526,610,850
  5. Step 5: Solve for x
    x = 1,844,514,526,610,850/60,660,850
  6. Step 6: Final answer
    x = 30,407,001

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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.