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Finding the Fourth Proportional to 164,672.70, 247,009.05 and 94,688.70

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Solution

The fourth proportional to 164,672.70, 247,009.05 and 94,688.70 is: 142,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,672.70 : 247,009.05 = 94,688.70 : x
  2. Step 2: Convert to fraction form
    164,672.70/247,009.05 = 94,688.70/x
  3. Step 3: Cross multiply
    164,672.70x = 247,009.05 × 94,688.70
  4. Step 4: Simplify right side
    164,672.70x = 23,388,965,832.74
  5. Step 5: Solve for x
    x = 23,388,965,832.74/164,672.70
  6. Step 6: Final answer
    x = 142,033.05

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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.