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Finding the Fourth Proportional to 179,384.63, 247,539.65 and 98,807.65

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Solution

The fourth proportional to 179,384.63, 247,539.65 and 98,807.65 is: 136,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,384.63 : 247,539.65 = 98,807.65 : x
  2. Step 2: Convert to fraction form
    179,384.63/247,539.65 = 98,807.65/x
  3. Step 3: Cross multiply
    179,384.63x = 247,539.65 × 98,807.65
  4. Step 4: Simplify right side
    179,384.63x = 24,458,809,985.44
  5. Step 5: Solve for x
    x = 24,458,809,985.44/179,384.63
  6. Step 6: Final answer
    x = 136,348.42

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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.