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Finding the Fourth Proportional to 236,467.65, 354,564.95 and 161,678.37

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Solution

The fourth proportional to 236,467.65, 354,564.95 and 161,678.37 is: 242,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,467.65 : 354,564.95 = 161,678.37 : x
  2. Step 2: Convert to fraction form
    236,467.65/354,564.95 = 161,678.37/x
  3. Step 3: Cross multiply
    236,467.65x = 354,564.95 × 161,678.37
  4. Step 4: Simplify right side
    236,467.65x = 57,325,482,366.74
  5. Step 5: Solve for x
    x = 57,325,482,366.74/236,467.65
  6. Step 6: Final answer
    x = 242,424.21

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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.