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Finding the Fourth Proportional to 248,305.29, 342,733.59 and 162,276.81

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Solution

The fourth proportional to 248,305.29, 342,733.59 and 162,276.81 is: 223,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,305.29 : 342,733.59 = 162,276.81 : x
  2. Step 2: Convert to fraction form
    248,305.29/342,733.59 = 162,276.81/x
  3. Step 3: Cross multiply
    248,305.29x = 342,733.59 × 162,276.81
  4. Step 4: Simplify right side
    248,305.29x = 55,617,713,665.05
  5. Step 5: Solve for x
    x = 55,617,713,665.05/248,305.29
  6. Step 6: Final answer
    x = 223,989.24

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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.