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Finding the Fourth Proportional to 236,417.20, 354,625.80 and 118,106.80

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Solution

The fourth proportional to 236,417.20, 354,625.80 and 118,106.80 is: 177,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,417.20 : 354,625.80 = 118,106.80 : x
  2. Step 2: Convert to fraction form
    236,417.20/354,625.80 = 118,106.80/x
  3. Step 3: Cross multiply
    236,417.20x = 354,625.80 × 118,106.80
  4. Step 4: Simplify right side
    236,417.20x = 41,883,718,435.44
  5. Step 5: Solve for x
    x = 41,883,718,435.44/236,417.20
  6. Step 6: Final answer
    x = 177,160.20

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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.