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Finding the Fourth Proportional to 79,374.22, 118,967.47 and 34,907.96

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Solution

The fourth proportional to 79,374.22, 118,967.47 and 34,907.96 is: 52,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374.22 : 118,967.47 = 34,907.96 : x
  2. Step 2: Convert to fraction form
    79,374.22/118,967.47 = 34,907.96/x
  3. Step 3: Cross multiply
    79,374.22x = 118,967.47 × 34,907.96
  4. Step 4: Simplify right side
    79,374.22x = 4,152,911,894.21
  5. Step 5: Solve for x
    x = 4,152,911,894.21/79,374.22
  6. Step 6: Final answer
    x = 52,320.67

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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.