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Finding the Fourth Proportional to 214,392.30, 295,879.55 and 118,929.75

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Solution

The fourth proportional to 214,392.30, 295,879.55 and 118,929.75 is: 164,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,392.30 : 295,879.55 = 118,929.75 : x
  2. Step 2: Convert to fraction form
    214,392.30/295,879.55 = 118,929.75/x
  3. Step 3: Cross multiply
    214,392.30x = 295,879.55 × 118,929.75
  4. Step 4: Simplify right side
    214,392.30x = 35,188,880,316.96
  5. Step 5: Solve for x
    x = 35,188,880,316.96/214,392.30
  6. Step 6: Final answer
    x = 164,133.13

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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.