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Finding the Fourth Proportional to 199,648.85, 275,415.98 and 119,019.56

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Solution

The fourth proportional to 199,648.85, 275,415.98 and 119,019.56 is: 164,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,648.85 : 275,415.98 = 119,019.56 : x
  2. Step 2: Convert to fraction form
    199,648.85/275,415.98 = 119,019.56/x
  3. Step 3: Cross multiply
    199,648.85x = 275,415.98 × 119,019.56
  4. Step 4: Simplify right side
    199,648.85x = 32,779,886,784.39
  5. Step 5: Solve for x
    x = 32,779,886,784.39/199,648.85
  6. Step 6: Final answer
    x = 164,187.71

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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.