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Finding the Fourth Proportional to 215,291.82, 297,102.66 and 119,804.70

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Solution

The fourth proportional to 215,291.82, 297,102.66 and 119,804.70 is: 165,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291.82 : 297,102.66 = 119,804.70 : x
  2. Step 2: Convert to fraction form
    215,291.82/297,102.66 = 119,804.70/x
  3. Step 3: Cross multiply
    215,291.82x = 297,102.66 × 119,804.70
  4. Step 4: Simplify right side
    215,291.82x = 35,594,295,050.50
  5. Step 5: Solve for x
    x = 35,594,295,050.50/215,291.82
  6. Step 6: Final answer
    x = 165,330.46

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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.