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Finding the Fourth Proportional to 178,973.84, 268,460.76 and 73,790.07

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Solution

The fourth proportional to 178,973.84, 268,460.76 and 73,790.07 is: 110,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,973.84 : 268,460.76 = 73,790.07 : x
  2. Step 2: Convert to fraction form
    178,973.84/268,460.76 = 73,790.07/x
  3. Step 3: Cross multiply
    178,973.84x = 268,460.76 × 73,790.07
  4. Step 4: Simplify right side
    178,973.84x = 19,809,738,272.65
  5. Step 5: Solve for x
    x = 19,809,738,272.65/178,973.84
  6. Step 6: Final answer
    x = 110,685.11

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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.