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Finding the Fourth Proportional to 92,016,992.40, 137,908,265.40 and 48,906,848.40

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Solution

The fourth proportional to 92,016,992.40, 137,908,265.40 and 48,906,848.40 is: 73,297,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016,992.40 : 137,908,265.40 = 48,906,848.40 : x
  2. Step 2: Convert to fraction form
    92,016,992.40/137,908,265.40 = 48,906,848.40/x
  3. Step 3: Cross multiply
    92,016,992.40x = 137,908,265.40 × 48,906,848.40
  4. Step 4: Simplify right side
    92,016,992.40x = 6,744,658,629,024,765
  5. Step 5: Solve for x
    x = 6,744,658,629,024,765/92,016,992.40
  6. Step 6: Final answer
    x = 73,297,968.70

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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.