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Finding the Fourth Proportional to 159,820.18, 239,466.84 and 143,339.77

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Solution

The fourth proportional to 159,820.18, 239,466.84 and 143,339.77 is: 214,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,820.18 : 239,466.84 = 143,339.77 : x
  2. Step 2: Convert to fraction form
    159,820.18/239,466.84 = 143,339.77/x
  3. Step 3: Cross multiply
    159,820.18x = 239,466.84 × 143,339.77
  4. Step 4: Simplify right side
    159,820.18x = 34,325,121,530.04
  5. Step 5: Solve for x
    x = 34,325,121,530.04/159,820.18
  6. Step 6: Final answer
    x = 214,773.39

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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.