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Finding the Fourth Proportional to 269,668.99, 372,142.92 and 148,810.24

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Solution

The fourth proportional to 269,668.99, 372,142.92 and 148,810.24 is: 205,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,668.99 : 372,142.92 = 148,810.24 : x
  2. Step 2: Convert to fraction form
    269,668.99/372,142.92 = 148,810.24/x
  3. Step 3: Cross multiply
    269,668.99x = 372,142.92 × 148,810.24
  4. Step 4: Simplify right side
    269,668.99x = 55,378,677,239.50
  5. Step 5: Solve for x
    x = 55,378,677,239.50/269,668.99
  6. Step 6: Final answer
    x = 205,357.97

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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.