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Finding the Fourth Proportional to 92,016,992.90, 137,908,266.15 and 48,906,848.90

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Solution

The fourth proportional to 92,016,992.90, 137,908,266.15 and 48,906,848.90 is: 73,297,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016,992.90 : 137,908,266.15 = 48,906,848.90 : x
  2. Step 2: Convert to fraction form
    92,016,992.90/137,908,266.15 = 48,906,848.90/x
  3. Step 3: Cross multiply
    92,016,992.90x = 137,908,266.15 × 48,906,848.90
  4. Step 4: Simplify right side
    92,016,992.90x = 6,744,658,734,659,035
  5. Step 5: Solve for x
    x = 6,744,658,734,659,035/92,016,992.90
  6. Step 6: Final answer
    x = 73,297,969.45

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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.