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Finding the Fourth Proportional to 237,959.91, 328,379.04 and 130,528.98

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Solution

The fourth proportional to 237,959.91, 328,379.04 and 130,528.98 is: 180,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,959.91 : 328,379.04 = 130,528.98 : x
  2. Step 2: Convert to fraction form
    237,959.91/328,379.04 = 130,528.98/x
  3. Step 3: Cross multiply
    237,959.91x = 328,379.04 × 130,528.98
  4. Step 4: Simplify right side
    237,959.91x = 42,862,981,144.58
  5. Step 5: Solve for x
    x = 42,862,981,144.58/237,959.91
  6. Step 6: Final answer
    x = 180,126.90

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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.