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Finding the Fourth Proportional to 238,872.21, 357,791.61 and 112,322.88

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Solution

The fourth proportional to 238,872.21, 357,791.61 and 112,322.88 is: 168,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,872.21 : 357,791.61 = 112,322.88 : x
  2. Step 2: Convert to fraction form
    238,872.21/357,791.61 = 112,322.88/x
  3. Step 3: Cross multiply
    238,872.21x = 357,791.61 × 112,322.88
  4. Step 4: Simplify right side
    238,872.21x = 40,188,184,075.04
  5. Step 5: Solve for x
    x = 40,188,184,075.04/238,872.21
  6. Step 6: Final answer
    x = 168,241.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.