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Finding the Fourth Proportional to 164,807.80, 247,321.05 and 93,730.30

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Solution

The fourth proportional to 164,807.80, 247,321.05 and 93,730.30 is: 140,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,807.80 : 247,321.05 = 93,730.30 : x
  2. Step 2: Convert to fraction form
    164,807.80/247,321.05 = 93,730.30/x
  3. Step 3: Cross multiply
    164,807.80x = 247,321.05 × 93,730.30
  4. Step 4: Simplify right side
    164,807.80x = 23,181,476,212.82
  5. Step 5: Solve for x
    x = 23,181,476,212.82/164,807.80
  6. Step 6: Final answer
    x = 140,657.64

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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.