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Finding the Fourth Proportional to 64,208.84, 88,692.87 and 49,285.91

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Solution

The fourth proportional to 64,208.84, 88,692.87 and 49,285.91 is: 68,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.84 : 88,692.87 = 49,285.91 : x
  2. Step 2: Convert to fraction form
    64,208.84/88,692.87 = 49,285.91/x
  3. Step 3: Cross multiply
    64,208.84x = 88,692.87 × 49,285.91
  4. Step 4: Simplify right side
    64,208.84x = 4,371,308,365.00
  5. Step 5: Solve for x
    x = 4,371,308,365.00/64,208.84
  6. Step 6: Final answer
    x = 68,079.55

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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.