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Finding the Fourth Proportional to 144,462.40, 199,556.40 and 131,048.80

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Solution

The fourth proportional to 144,462.40, 199,556.40 and 131,048.80 is: 181,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,462.40 : 199,556.40 = 131,048.80 : x
  2. Step 2: Convert to fraction form
    144,462.40/199,556.40 = 131,048.80/x
  3. Step 3: Cross multiply
    144,462.40x = 199,556.40 × 131,048.80
  4. Step 4: Simplify right side
    144,462.40x = 26,151,626,752.32
  5. Step 5: Solve for x
    x = 26,151,626,752.32/144,462.40
  6. Step 6: Final answer
    x = 181,027.22

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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.