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Finding the Fourth Proportional to 186,777.70, 280,277.72 and 68,457.35

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Solution

The fourth proportional to 186,777.70, 280,277.72 and 68,457.35 is: 102,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,777.70 : 280,277.72 = 68,457.35 : x
  2. Step 2: Convert to fraction form
    186,777.70/280,277.72 = 68,457.35/x
  3. Step 3: Cross multiply
    186,777.70x = 280,277.72 × 68,457.35
  4. Step 4: Simplify right side
    186,777.70x = 19,187,070,590.36
  5. Step 5: Solve for x
    x = 19,187,070,590.36/186,777.70
  6. Step 6: Final answer
    x = 102,726.78

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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.