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Finding the Fourth Proportional to 237,668.48, 328,131.64 and 152,932.80

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Solution

The fourth proportional to 237,668.48, 328,131.64 and 152,932.80 is: 211,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,668.48 : 328,131.64 = 152,932.80 : x
  2. Step 2: Convert to fraction form
    237,668.48/328,131.64 = 152,932.80/x
  3. Step 3: Cross multiply
    237,668.48x = 328,131.64 × 152,932.80
  4. Step 4: Simplify right side
    237,668.48x = 50,182,090,473.79
  5. Step 5: Solve for x
    x = 50,182,090,473.79/237,668.48
  6. Step 6: Final answer
    x = 211,143.23

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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.