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Finding the Fourth Proportional to 370,566.56, 555,849.84 and 90,083

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Solution

The fourth proportional to 370,566.56, 555,849.84 and 90,083 is: 135,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,566.56 : 555,849.84 = 90,083 : x
  2. Step 2: Convert to fraction form
    370,566.56/555,849.84 = 90,083/x
  3. Step 3: Cross multiply
    370,566.56x = 555,849.84 × 90,083
  4. Step 4: Simplify right side
    370,566.56x = 50,072,621,136.72
  5. Step 5: Solve for x
    x = 50,072,621,136.72/370,566.56
  6. Step 6: Final answer
    x = 135,124.50

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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.