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Finding the Fourth Proportional to 46,658,045.70, 69,987,068.55 and 43,823,693.70

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Solution

The fourth proportional to 46,658,045.70, 69,987,068.55 and 43,823,693.70 is: 65,735,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,658,045.70 : 69,987,068.55 = 43,823,693.70 : x
  2. Step 2: Convert to fraction form
    46,658,045.70/69,987,068.55 = 43,823,693.70/x
  3. Step 3: Cross multiply
    46,658,045.70x = 69,987,068.55 × 43,823,693.70
  4. Step 4: Simplify right side
    46,658,045.70x = 3,067,091,855,096,103
  5. Step 5: Solve for x
    x = 3,067,091,855,096,103/46,658,045.70
  6. Step 6: Final answer
    x = 65,735,540.55

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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.