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Finding the Fourth Proportional to 70,047,134.70, 104,787,266.85 and 61,544,078.70

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Solution

The fourth proportional to 70,047,134.70, 104,787,266.85 and 61,544,078.70 is: 92,067,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047,134.70 : 104,787,266.85 = 61,544,078.70 : x
  2. Step 2: Convert to fraction form
    70,047,134.70/104,787,266.85 = 61,544,078.70/x
  3. Step 3: Cross multiply
    70,047,134.70x = 104,787,266.85 × 61,544,078.70
  4. Step 4: Simplify right side
    70,047,134.70x = 6,449,035,797,774,301
  5. Step 5: Solve for x
    x = 6,449,035,797,774,301/70,047,134.70
  6. Step 6: Final answer
    x = 92,067,089.19

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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.