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Finding the Fourth Proportional to 163,843.80, 246,024.90 and 119,779.80

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Solution

The fourth proportional to 163,843.80, 246,024.90 and 119,779.80 is: 179,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,843.80 : 246,024.90 = 119,779.80 : x
  2. Step 2: Convert to fraction form
    163,843.80/246,024.90 = 119,779.80/x
  3. Step 3: Cross multiply
    163,843.80x = 246,024.90 × 119,779.80
  4. Step 4: Simplify right side
    163,843.80x = 29,468,813,317.02
  5. Step 5: Solve for x
    x = 29,468,813,317.02/163,843.80
  6. Step 6: Final answer
    x = 179,859.19

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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.