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Finding the Fourth Proportional to 237,992.25, 328,418.46 and 130,560

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Solution

The fourth proportional to 237,992.25, 328,418.46 and 130,560 is: 180,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,992.25 : 328,418.46 = 130,560 : x
  2. Step 2: Convert to fraction form
    237,992.25/328,418.46 = 130,560/x
  3. Step 3: Cross multiply
    237,992.25x = 328,418.46 × 130,560
  4. Step 4: Simplify right side
    237,992.25x = 42,878,314,137.60
  5. Step 5: Solve for x
    x = 42,878,314,137.60/237,992.25
  6. Step 6: Final answer
    x = 180,166.85

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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.