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Finding the Fourth Proportional to 79,269.44, 118,950.53 and 29,384.78

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Solution

The fourth proportional to 79,269.44, 118,950.53 and 29,384.78 is: 44,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.44 : 118,950.53 = 29,384.78 : x
  2. Step 2: Convert to fraction form
    79,269.44/118,950.53 = 29,384.78/x
  3. Step 3: Cross multiply
    79,269.44x = 118,950.53 × 29,384.78
  4. Step 4: Simplify right side
    79,269.44x = 3,495,334,413.26
  5. Step 5: Solve for x
    x = 3,495,334,413.26/79,269.44
  6. Step 6: Final answer
    x = 44,094.35

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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.