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Finding the Fourth Proportional to 150,543.30, 225,734.76 and 50,670.30

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Solution

The fourth proportional to 150,543.30, 225,734.76 and 50,670.30 is: 75,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.30 : 225,734.76 = 50,670.30 : x
  2. Step 2: Convert to fraction form
    150,543.30/225,734.76 = 50,670.30/x
  3. Step 3: Cross multiply
    150,543.30x = 225,734.76 × 50,670.30
  4. Step 4: Simplify right side
    150,543.30x = 11,438,048,009.63
  5. Step 5: Solve for x
    x = 11,438,048,009.63/150,543.30
  6. Step 6: Final answer
    x = 75,978.46

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1.5x scale

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.