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Finding the Fourth Proportional to 489,107.88, 733,683.60 and 134,114.04

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Solution

The fourth proportional to 489,107.88, 733,683.60 and 134,114.04 is: 201,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,107.88 : 733,683.60 = 134,114.04 : x
  2. Step 2: Convert to fraction form
    489,107.88/733,683.60 = 134,114.04/x
  3. Step 3: Cross multiply
    489,107.88x = 733,683.60 × 134,114.04
  4. Step 4: Simplify right side
    489,107.88x = 98,397,271,677.74
  5. Step 5: Solve for x
    x = 98,397,271,677.74/489,107.88
  6. Step 6: Final answer
    x = 201,177.03

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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.