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Finding the Fourth Proportional to 67,795,291.80, 101,692,937.70 and 16,676,645.40

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Solution

The fourth proportional to 67,795,291.80, 101,692,937.70 and 16,676,645.40 is: 25,014,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,795,291.80 : 101,692,937.70 = 16,676,645.40 : x
  2. Step 2: Convert to fraction form
    67,795,291.80/101,692,937.70 = 16,676,645.40/x
  3. Step 3: Cross multiply
    67,795,291.80x = 101,692,937.70 × 16,676,645.40
  4. Step 4: Simplify right side
    67,795,291.80x = 1,695,897,061,707,191.75
  5. Step 5: Solve for x
    x = 1,695,897,061,707,191.75/67,795,291.80
  6. Step 6: Final answer
    x = 25,014,968.10

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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.