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Finding the Fourth Proportional to 63,014,647.80, 94,521,971.70 and 40,321,169.40

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Solution

The fourth proportional to 63,014,647.80, 94,521,971.70 and 40,321,169.40 is: 60,481,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014,647.80 : 94,521,971.70 = 40,321,169.40 : x
  2. Step 2: Convert to fraction form
    63,014,647.80/94,521,971.70 = 40,321,169.40/x
  3. Step 3: Cross multiply
    63,014,647.80x = 94,521,971.70 × 40,321,169.40
  4. Step 4: Simplify right side
    63,014,647.80x = 3,811,236,432,937,706
  5. Step 5: Solve for x
    x = 3,811,236,432,937,706/63,014,647.80
  6. Step 6: Final answer
    x = 60,481,754.10

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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.