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Finding the Fourth Proportional to 103,464.99, 155,394.32 and 64,295.82

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Solution

The fourth proportional to 103,464.99, 155,394.32 and 64,295.82 is: 96,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.99 : 155,394.32 = 64,295.82 : x
  2. Step 2: Convert to fraction form
    103,464.99/155,394.32 = 64,295.82/x
  3. Step 3: Cross multiply
    103,464.99x = 155,394.32 × 64,295.82
  4. Step 4: Simplify right side
    103,464.99x = 9,991,204,906.26
  5. Step 5: Solve for x
    x = 9,991,204,906.26/103,464.99
  6. Step 6: Final answer
    x = 96,566.05

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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.