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Finding the Fourth Proportional to 192,914.60, 266,215.94 and 106,870.08

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Solution

The fourth proportional to 192,914.60, 266,215.94 and 106,870.08 is: 147,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.60 : 266,215.94 = 106,870.08 : x
  2. Step 2: Convert to fraction form
    192,914.60/266,215.94 = 106,870.08/x
  3. Step 3: Cross multiply
    192,914.60x = 266,215.94 × 106,870.08
  4. Step 4: Simplify right side
    192,914.60x = 28,450,518,805.08
  5. Step 5: Solve for x
    x = 28,450,518,805.08/192,914.60
  6. Step 6: Final answer
    x = 147,477.27

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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.