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Finding the Fourth Proportional to 215,283.81, 297,091.66 and 119,796.66

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Solution

The fourth proportional to 215,283.81, 297,091.66 and 119,796.66 is: 165,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,283.81 : 297,091.66 = 119,796.66 : x
  2. Step 2: Convert to fraction form
    215,283.81/297,091.66 = 119,796.66/x
  3. Step 3: Cross multiply
    215,283.81x = 297,091.66 × 119,796.66
  4. Step 4: Simplify right side
    215,283.81x = 35,590,588,581.86
  5. Step 5: Solve for x
    x = 35,590,588,581.86/215,283.81
  6. Step 6: Final answer
    x = 165,319.39

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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.