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Finding the Fourth Proportional to 215,157.97, 296,928.51 and 119,662.62

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Solution

The fourth proportional to 215,157.97, 296,928.51 and 119,662.62 is: 165,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,157.97 : 296,928.51 = 119,662.62 : x
  2. Step 2: Convert to fraction form
    215,157.97/296,928.51 = 119,662.62/x
  3. Step 3: Cross multiply
    215,157.97x = 296,928.51 × 119,662.62
  4. Step 4: Simplify right side
    215,157.97x = 35,531,243,459.30
  5. Step 5: Solve for x
    x = 35,531,243,459.30/215,157.97
  6. Step 6: Final answer
    x = 165,140.26

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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.