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Finding the Fourth Proportional to 215,787.76, 297,804.83 and 119,010.54

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Solution

The fourth proportional to 215,787.76, 297,804.83 and 119,010.54 is: 164,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,787.76 : 297,804.83 = 119,010.54 : x
  2. Step 2: Convert to fraction form
    215,787.76/297,804.83 = 119,010.54/x
  3. Step 3: Cross multiply
    215,787.76x = 297,804.83 × 119,010.54
  4. Step 4: Simplify right side
    215,787.76x = 35,441,911,548.83
  5. Step 5: Solve for x
    x = 35,441,911,548.83/215,787.76
  6. Step 6: Final answer
    x = 164,244.31

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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.