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Finding the Fourth Proportional to 178,765.65, 246,698.19 and 98,194.82

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Solution

The fourth proportional to 178,765.65, 246,698.19 and 98,194.82 is: 135,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,765.65 : 246,698.19 = 98,194.82 : x
  2. Step 2: Convert to fraction form
    178,765.65/246,698.19 = 98,194.82/x
  3. Step 3: Cross multiply
    178,765.65x = 246,698.19 × 98,194.82
  4. Step 4: Simplify right side
    178,765.65x = 24,224,483,127.88
  5. Step 5: Solve for x
    x = 24,224,483,127.88/178,765.65
  6. Step 6: Final answer
    x = 135,509.72

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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.