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Finding the Fourth Proportional to 365,028.30, 547,542.45 and 98,829.90

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Solution

The fourth proportional to 365,028.30, 547,542.45 and 98,829.90 is: 148,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,028.30 : 547,542.45 = 98,829.90 : x
  2. Step 2: Convert to fraction form
    365,028.30/547,542.45 = 98,829.90/x
  3. Step 3: Cross multiply
    365,028.30x = 547,542.45 × 98,829.90
  4. Step 4: Simplify right side
    365,028.30x = 54,113,565,579.26
  5. Step 5: Solve for x
    x = 54,113,565,579.26/365,028.30
  6. Step 6: Final answer
    x = 148,244.85

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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.