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Finding the Fourth Proportional to 237,992.79, 328,434.44 and 130,556.28

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Solution

The fourth proportional to 237,992.79, 328,434.44 and 130,556.28 is: 180,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,992.79 : 328,434.44 = 130,556.28 : x
  2. Step 2: Convert to fraction form
    237,992.79/328,434.44 = 130,556.28/x
  3. Step 3: Cross multiply
    237,992.79x = 328,434.44 × 130,556.28
  4. Step 4: Simplify right side
    237,992.79x = 42,879,178,057.50
  5. Step 5: Solve for x
    x = 42,879,178,057.50/237,992.79
  6. Step 6: Final answer
    x = 180,170.07

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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.