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Finding the Fourth Proportional to 215,235.96, 297,029.60 and 119,751.56

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Solution

The fourth proportional to 215,235.96, 297,029.60 and 119,751.56 is: 165,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,235.96 : 297,029.60 = 119,751.56 : x
  2. Step 2: Convert to fraction form
    215,235.96/297,029.60 = 119,751.56/x
  3. Step 3: Cross multiply
    215,235.96x = 297,029.60 × 119,751.56
  4. Step 4: Simplify right side
    215,235.96x = 35,569,757,966.18
  5. Step 5: Solve for x
    x = 35,569,757,966.18/215,235.96
  6. Step 6: Final answer
    x = 165,259.36

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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.