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Finding the Fourth Proportional to 265,705.65, 366,665.27 and 144,845.01

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Solution

The fourth proportional to 265,705.65, 366,665.27 and 144,845.01 is: 199,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,705.65 : 366,665.27 = 144,845.01 : x
  2. Step 2: Convert to fraction form
    265,705.65/366,665.27 = 144,845.01/x
  3. Step 3: Cross multiply
    265,705.65x = 366,665.27 × 144,845.01
  4. Step 4: Simplify right side
    265,705.65x = 53,109,633,975.58
  5. Step 5: Solve for x
    x = 53,109,633,975.58/265,705.65
  6. Step 6: Final answer
    x = 199,881.46

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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.