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Finding the Fourth Proportional to 215,073.90, 296,801.01 and 119,574.90

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Solution

The fourth proportional to 215,073.90, 296,801.01 and 119,574.90 is: 165,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,073.90 : 296,801.01 = 119,574.90 : x
  2. Step 2: Convert to fraction form
    215,073.90/296,801.01 = 119,574.90/x
  3. Step 3: Cross multiply
    215,073.90x = 296,801.01 × 119,574.90
  4. Step 4: Simplify right side
    215,073.90x = 35,489,951,090.65
  5. Step 5: Solve for x
    x = 35,489,951,090.65/215,073.90
  6. Step 6: Final answer
    x = 165,012.82

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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.