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Finding the Fourth Proportional to 251,810.88, 347,523.60 and 188,038.08

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Solution

The fourth proportional to 251,810.88, 347,523.60 and 188,038.08 is: 259,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,810.88 : 347,523.60 = 188,038.08 : x
  2. Step 2: Convert to fraction form
    251,810.88/347,523.60 = 188,038.08/x
  3. Step 3: Cross multiply
    251,810.88x = 347,523.60 × 188,038.08
  4. Step 4: Simplify right side
    251,810.88x = 65,347,670,498.69
  5. Step 5: Solve for x
    x = 65,347,670,498.69/251,810.88
  6. Step 6: Final answer
    x = 259,510.91

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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.