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Finding the Fourth Proportional to 242,692.20, 364,038.30 and 158,711.40

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Solution

The fourth proportional to 242,692.20, 364,038.30 and 158,711.40 is: 238,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,692.20 : 364,038.30 = 158,711.40 : x
  2. Step 2: Convert to fraction form
    242,692.20/364,038.30 = 158,711.40/x
  3. Step 3: Cross multiply
    242,692.20x = 364,038.30 × 158,711.40
  4. Step 4: Simplify right side
    242,692.20x = 57,777,028,246.62
  5. Step 5: Solve for x
    x = 57,777,028,246.62/242,692.20
  6. Step 6: Final answer
    x = 238,067.10

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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.