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Finding the Fourth Proportional to 60,660,848, 90,991,272 and 20,271,332

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Solution

The fourth proportional to 60,660,848, 90,991,272 and 20,271,332 is: 30,406,998

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660,848 : 90,991,272 = 20,271,332 : x
  2. Step 2: Convert to fraction form
    60,660,848/90,991,272 = 20,271,332/x
  3. Step 3: Cross multiply
    60,660,848x = 90,991,272 × 20,271,332
  4. Step 4: Simplify right side
    60,660,848x = 1,844,514,283,814,304
  5. Step 5: Solve for x
    x = 1,844,514,283,814,304/60,660,848
  6. Step 6: Final answer
    x = 30,406,998

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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.