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Finding the Fourth Proportional to 265,672.72, 366,622.88 and 144,812.96

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Solution

The fourth proportional to 265,672.72, 366,622.88 and 144,812.96 is: 199,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,672.72 : 366,622.88 = 144,812.96 : x
  2. Step 2: Convert to fraction form
    265,672.72/366,622.88 = 144,812.96/x
  3. Step 3: Cross multiply
    265,672.72x = 366,622.88 × 144,812.96
  4. Step 4: Simplify right side
    265,672.72x = 53,091,741,899.35
  5. Step 5: Solve for x
    x = 53,091,741,899.35/265,672.72
  6. Step 6: Final answer
    x = 199,838.90

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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.