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Finding the Fourth Proportional to 261,000.12, 359,837.46 and 188,342.04

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Solution

The fourth proportional to 261,000.12, 359,837.46 and 188,342.04 is: 259,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,000.12 : 359,837.46 = 188,342.04 : x
  2. Step 2: Convert to fraction form
    261,000.12/359,837.46 = 188,342.04/x
  3. Step 3: Cross multiply
    261,000.12x = 359,837.46 × 188,342.04
  4. Step 4: Simplify right side
    261,000.12x = 67,772,521,284.82
  5. Step 5: Solve for x
    x = 67,772,521,284.82/261,000.12
  6. Step 6: Final answer
    x = 259,664.71

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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.