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Finding the Fourth Proportional to 106,246.49, 146,607.98 and 60,912

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Solution

The fourth proportional to 106,246.49, 146,607.98 and 60,912 is: 84,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,246.49 : 146,607.98 = 60,912 : x
  2. Step 2: Convert to fraction form
    106,246.49/146,607.98 = 60,912/x
  3. Step 3: Cross multiply
    106,246.49x = 146,607.98 × 60,912
  4. Step 4: Simplify right side
    106,246.49x = 8,930,184,973.20
  5. Step 5: Solve for x
    x = 8,930,184,973.20/106,246.49
  6. Step 6: Final answer
    x = 84,051.58

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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.