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Finding the Fourth Proportional to 79,658,737.15, 119,509,369.52 and 28,545,922.75

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Solution

The fourth proportional to 79,658,737.15, 119,509,369.52 and 28,545,922.75 is: 42,826,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,658,737.15 : 119,509,369.52 = 28,545,922.75 : x
  2. Step 2: Convert to fraction form
    79,658,737.15/119,509,369.52 = 28,545,922.75/x
  3. Step 3: Cross multiply
    79,658,737.15x = 119,509,369.52 × 28,545,922.75
  4. Step 4: Simplify right side
    79,658,737.15x = 3,411,505,230,001,821
  5. Step 5: Solve for x
    x = 3,411,505,230,001,821/79,658,737.15
  6. Step 6: Final answer
    x = 42,826,504.06

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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.