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Finding the Fourth Proportional to 164,640.63, 227,208.49 and 93,019.11

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Solution

The fourth proportional to 164,640.63, 227,208.49 and 93,019.11 is: 128,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,640.63 : 227,208.49 = 93,019.11 : x
  2. Step 2: Convert to fraction form
    164,640.63/227,208.49 = 93,019.11/x
  3. Step 3: Cross multiply
    164,640.63x = 227,208.49 × 93,019.11
  4. Step 4: Simplify right side
    164,640.63x = 21,134,731,601.92
  5. Step 5: Solve for x
    x = 21,134,731,601.92/164,640.63
  6. Step 6: Final answer
    x = 128,368.87

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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.