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Finding the Fourth Proportional to 86,551, 119,440.38 and 46,807

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Solution

The fourth proportional to 86,551, 119,440.38 and 46,807 is: 64,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551 : 119,440.38 = 46,807 : x
  2. Step 2: Convert to fraction form
    86,551/119,440.38 = 46,807/x
  3. Step 3: Cross multiply
    86,551x = 119,440.38 × 46,807
  4. Step 4: Simplify right side
    86,551x = 5,590,645,866.66
  5. Step 5: Solve for x
    x = 5,590,645,866.66/86,551
  6. Step 6: Final answer
    x = 64,593.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.