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Finding the Fourth Proportional to 350,696.31, 526,131.95 and 101,378.31

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Solution

The fourth proportional to 350,696.31, 526,131.95 and 101,378.31 is: 152,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,696.31 : 526,131.95 = 101,378.31 : x
  2. Step 2: Convert to fraction form
    350,696.31/526,131.95 = 101,378.31/x
  3. Step 3: Cross multiply
    350,696.31x = 526,131.95 × 101,378.31
  4. Step 4: Simplify right side
    350,696.31x = 53,338,367,928.00
  5. Step 5: Solve for x
    x = 53,338,367,928.00/350,696.31
  6. Step 6: Final answer
    x = 152,092.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.