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Finding the Fourth Proportional to 265,571.72, 366,484.30 and 144,713.88

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Solution

The fourth proportional to 265,571.72, 366,484.30 and 144,713.88 is: 199,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,571.72 : 366,484.30 = 144,713.88 : x
  2. Step 2: Convert to fraction form
    265,571.72/366,484.30 = 144,713.88/x
  3. Step 3: Cross multiply
    265,571.72x = 366,484.30 × 144,713.88
  4. Step 4: Simplify right side
    265,571.72x = 53,035,365,012.08
  5. Step 5: Solve for x
    x = 53,035,365,012.08/265,571.72
  6. Step 6: Final answer
    x = 199,702.61

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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.