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Finding the Fourth Proportional to 149,745.85, 206,624.88 and 88,483.51

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Solution

The fourth proportional to 149,745.85, 206,624.88 and 88,483.51 is: 122,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,745.85 : 206,624.88 = 88,483.51 : x
  2. Step 2: Convert to fraction form
    149,745.85/206,624.88 = 88,483.51/x
  3. Step 3: Cross multiply
    149,745.85x = 206,624.88 × 88,483.51
  4. Step 4: Simplify right side
    149,745.85x = 18,282,894,119.17
  5. Step 5: Solve for x
    x = 18,282,894,119.17/149,745.85
  6. Step 6: Final answer
    x = 122,092.83

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1.5x scale

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.