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Finding the Fourth Proportional to 265,621, 366,562.26 and 144,761.80

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Solution

The fourth proportional to 265,621, 366,562.26 and 144,761.80 is: 199,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,621 : 366,562.26 = 144,761.80 : x
  2. Step 2: Convert to fraction form
    265,621/366,562.26 = 144,761.80/x
  3. Step 3: Cross multiply
    265,621x = 366,562.26 × 144,761.80
  4. Step 4: Simplify right side
    265,621x = 53,064,212,569.67
  5. Step 5: Solve for x
    x = 53,064,212,569.67/265,621
  6. Step 6: Final answer
    x = 199,774.16

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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.