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Finding the Fourth Proportional to 242,667.42, 334,882.16 and 140,753.22

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Solution

The fourth proportional to 242,667.42, 334,882.16 and 140,753.22 is: 194,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,667.42 : 334,882.16 = 140,753.22 : x
  2. Step 2: Convert to fraction form
    242,667.42/334,882.16 = 140,753.22/x
  3. Step 3: Cross multiply
    242,667.42x = 334,882.16 × 140,753.22
  4. Step 4: Simplify right side
    242,667.42x = 47,135,742,692.44
  5. Step 5: Solve for x
    x = 47,135,742,692.44/242,667.42
  6. Step 6: Final answer
    x = 194,240.09

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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.