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Finding the Fourth Proportional to 215,952.30, 298,012.14 and 119,157.03

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Solution

The fourth proportional to 215,952.30, 298,012.14 and 119,157.03 is: 164,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,952.30 : 298,012.14 = 119,157.03 : x
  2. Step 2: Convert to fraction form
    215,952.30/298,012.14 = 119,157.03/x
  3. Step 3: Cross multiply
    215,952.30x = 298,012.14 × 119,157.03
  4. Step 4: Simplify right side
    215,952.30x = 35,510,241,506.34
  5. Step 5: Solve for x
    x = 35,510,241,506.34/215,952.30
  6. Step 6: Final answer
    x = 164,435.58

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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.