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Finding the Fourth Proportional to 150,587.50, 225,894.21 and 39,779.50

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Solution

The fourth proportional to 150,587.50, 225,894.21 and 39,779.50 is: 59,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,587.50 : 225,894.21 = 39,779.50 : x
  2. Step 2: Convert to fraction form
    150,587.50/225,894.21 = 39,779.50/x
  3. Step 3: Cross multiply
    150,587.50x = 225,894.21 × 39,779.50
  4. Step 4: Simplify right side
    150,587.50x = 8,985,958,726.70
  5. Step 5: Solve for x
    x = 8,985,958,726.70/150,587.50
  6. Step 6: Final answer
    x = 59,672.67

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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.