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Finding the Fourth Proportional to 350,131.80, 525,124.80 and 150,458.70

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Solution

The fourth proportional to 350,131.80, 525,124.80 and 150,458.70 is: 225,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,131.80 : 525,124.80 = 150,458.70 : x
  2. Step 2: Convert to fraction form
    350,131.80/525,124.80 = 150,458.70/x
  3. Step 3: Cross multiply
    350,131.80x = 525,124.80 × 150,458.70
  4. Step 4: Simplify right side
    350,131.80x = 79,009,594,745.76
  5. Step 5: Solve for x
    x = 79,009,594,745.76/350,131.80
  6. Step 6: Final answer
    x = 225,656.72

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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.