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Finding the Fourth Proportional to 66,456,045.05, 99,684,067.58 and 66,456,045.05

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Solution

The fourth proportional to 66,456,045.05, 99,684,067.58 and 66,456,045.05 is: 99,684,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,456,045.05 : 99,684,067.58 = 66,456,045.05 : x
  2. Step 2: Convert to fraction form
    66,456,045.05/99,684,067.58 = 66,456,045.05/x
  3. Step 3: Cross multiply
    66,456,045.05x = 99,684,067.58 × 66,456,045.05
  4. Step 4: Simplify right side
    66,456,045.05x = 6,624,608,885,863,724
  5. Step 5: Solve for x
    x = 6,624,608,885,863,724/66,456,045.05
  6. Step 6: Final answer
    x = 99,684,067.58

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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.