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Finding the Fourth Proportional to 63,774,790.70, 89,454,768.10 and 63,774,790.70

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Solution

The fourth proportional to 63,774,790.70, 89,454,768.10 and 63,774,790.70 is: 89,454,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,774,790.70 : 89,454,768.10 = 63,774,790.70 : x
  2. Step 2: Convert to fraction form
    63,774,790.70/89,454,768.10 = 63,774,790.70/x
  3. Step 3: Cross multiply
    63,774,790.70x = 89,454,768.10 × 63,774,790.70
  4. Step 4: Simplify right side
    63,774,790.70x = 5,704,959,112,694,537
  5. Step 5: Solve for x
    x = 5,704,959,112,694,537/63,774,790.70
  6. Step 6: Final answer
    x = 89,454,768.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.