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Finding the Fourth Proportional to 243,216.32, 335,541.87 and 162,516.02

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Solution

The fourth proportional to 243,216.32, 335,541.87 and 162,516.02 is: 224,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,216.32 : 335,541.87 = 162,516.02 : x
  2. Step 2: Convert to fraction form
    243,216.32/335,541.87 = 162,516.02/x
  3. Step 3: Cross multiply
    243,216.32x = 335,541.87 × 162,516.02
  4. Step 4: Simplify right side
    243,216.32x = 54,530,927,578.05
  5. Step 5: Solve for x
    x = 54,530,927,578.05/243,216.32
  6. Step 6: Final answer
    x = 224,207.52

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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.