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Finding the Fourth Proportional to 144,493.10, 216,739.65 and 119,998.70

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Solution

The fourth proportional to 144,493.10, 216,739.65 and 119,998.70 is: 179,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493.10 : 216,739.65 = 119,998.70 : x
  2. Step 2: Convert to fraction form
    144,493.10/216,739.65 = 119,998.70/x
  3. Step 3: Cross multiply
    144,493.10x = 216,739.65 × 119,998.70
  4. Step 4: Simplify right side
    144,493.10x = 26,008,476,238.46
  5. Step 5: Solve for x
    x = 26,008,476,238.46/144,493.10
  6. Step 6: Final answer
    x = 179,998.05

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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.