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Finding the Fourth Proportional to 255,572.22, 352,692.03 and 140,855.05

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Solution

The fourth proportional to 255,572.22, 352,692.03 and 140,855.05 is: 194,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,572.22 : 352,692.03 = 140,855.05 : x
  2. Step 2: Convert to fraction form
    255,572.22/352,692.03 = 140,855.05/x
  3. Step 3: Cross multiply
    255,572.22x = 352,692.03 × 140,855.05
  4. Step 4: Simplify right side
    255,572.22x = 49,678,453,520.25
  5. Step 5: Solve for x
    x = 49,678,453,520.25/255,572.22
  6. Step 6: Final answer
    x = 194,381.27

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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.