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Finding the Fourth Proportional to 236,703.25, 355,116.44 and 70,491.25

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Solution

The fourth proportional to 236,703.25, 355,116.44 and 70,491.25 is: 105,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,703.25 : 355,116.44 = 70,491.25 : x
  2. Step 2: Convert to fraction form
    236,703.25/355,116.44 = 70,491.25/x
  3. Step 3: Cross multiply
    236,703.25x = 355,116.44 × 70,491.25
  4. Step 4: Simplify right side
    236,703.25x = 25,032,601,751.15
  5. Step 5: Solve for x
    x = 25,032,601,751.15/236,703.25
  6. Step 6: Final answer
    x = 105,755.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.