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Finding the Fourth Proportional to 186,888.84, 280,166.54 and 68,532.52

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Solution

The fourth proportional to 186,888.84, 280,166.54 and 68,532.52 is: 102,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,888.84 : 280,166.54 = 68,532.52 : x
  2. Step 2: Convert to fraction form
    186,888.84/280,166.54 = 68,532.52/x
  3. Step 3: Cross multiply
    186,888.84x = 280,166.54 × 68,532.52
  4. Step 4: Simplify right side
    186,888.84x = 19,200,519,005.88
  5. Step 5: Solve for x
    x = 19,200,519,005.88/186,888.84
  6. Step 6: Final answer
    x = 102,737.64

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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.