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Finding the Fourth Proportional to 269,360, 371,752.80 and 174,144.32

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Solution

The fourth proportional to 269,360, 371,752.80 and 174,144.32 is: 240,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,360 : 371,752.80 = 174,144.32 : x
  2. Step 2: Convert to fraction form
    269,360/371,752.80 = 174,144.32/x
  3. Step 3: Cross multiply
    269,360x = 371,752.80 × 174,144.32
  4. Step 4: Simplify right side
    269,360x = 64,738,638,564.10
  5. Step 5: Solve for x
    x = 64,738,638,564.10/269,360
  6. Step 6: Final answer
    x = 240,342.44

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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.