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Finding the Fourth Proportional to 365,766.78, 548,594.74 and 99,548.04

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Solution

The fourth proportional to 365,766.78, 548,594.74 and 99,548.04 is: 149,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,766.78 : 548,594.74 = 99,548.04 : x
  2. Step 2: Convert to fraction form
    365,766.78/548,594.74 = 99,548.04/x
  3. Step 3: Cross multiply
    365,766.78x = 548,594.74 × 99,548.04
  4. Step 4: Simplify right side
    365,766.78x = 54,611,533,302.97
  5. Step 5: Solve for x
    x = 54,611,533,302.97/365,766.78
  6. Step 6: Final answer
    x = 149,306.98

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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.