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Finding the Fourth Proportional to 350,393.70, 525,677.94 and 101,075.70

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Solution

The fourth proportional to 350,393.70, 525,677.94 and 101,075.70 is: 151,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,393.70 : 525,677.94 = 101,075.70 : x
  2. Step 2: Convert to fraction form
    350,393.70/525,677.94 = 101,075.70/x
  3. Step 3: Cross multiply
    350,393.70x = 525,677.94 × 101,075.70
  4. Step 4: Simplify right side
    350,393.70x = 53,133,265,760.06
  5. Step 5: Solve for x
    x = 53,133,265,760.06/350,393.70
  6. Step 6: Final answer
    x = 151,638.76

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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.