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Finding the Fourth Proportional to 329,190.48, 493,683.66 and 118,801.08

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Solution

The fourth proportional to 329,190.48, 493,683.66 and 118,801.08 is: 178,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,190.48 : 493,683.66 = 118,801.08 : x
  2. Step 2: Convert to fraction form
    329,190.48/493,683.66 = 118,801.08/x
  3. Step 3: Cross multiply
    329,190.48x = 493,683.66 × 118,801.08
  4. Step 4: Simplify right side
    329,190.48x = 58,650,151,986.35
  5. Step 5: Solve for x
    x = 58,650,151,986.35/329,190.48
  6. Step 6: Final answer
    x = 178,164.79

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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.