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Finding the Fourth Proportional to 373,031.19, 559,078.80 and 159,548.55

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Solution

The fourth proportional to 373,031.19, 559,078.80 and 159,548.55 is: 239,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,031.19 : 559,078.80 = 159,548.55 : x
  2. Step 2: Convert to fraction form
    373,031.19/559,078.80 = 159,548.55/x
  3. Step 3: Cross multiply
    373,031.19x = 559,078.80 × 159,548.55
  4. Step 4: Simplify right side
    373,031.19x = 89,200,213,074.00
  5. Step 5: Solve for x
    x = 89,200,213,074.00/373,031.19
  6. Step 6: Final answer
    x = 239,122.67

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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.