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Finding the Fourth Proportional to 255,572.51, 352,692.44 and 140,855.24

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Solution

The fourth proportional to 255,572.51, 352,692.44 and 140,855.24 is: 194,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,572.51 : 352,692.44 = 140,855.24 : x
  2. Step 2: Convert to fraction form
    255,572.51/352,692.44 = 140,855.24/x
  3. Step 3: Cross multiply
    255,572.51x = 352,692.44 × 140,855.24
  4. Step 4: Simplify right side
    255,572.51x = 49,678,578,282.39
  5. Step 5: Solve for x
    x = 49,678,578,282.39/255,572.51
  6. Step 6: Final answer
    x = 194,381.54

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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.