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Finding the Fourth Proportional to 68,999.76, 103,413.04 and 29,510.44

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Solution

The fourth proportional to 68,999.76, 103,413.04 and 29,510.44 is: 44,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.76 : 103,413.04 = 29,510.44 : x
  2. Step 2: Convert to fraction form
    68,999.76/103,413.04 = 29,510.44/x
  3. Step 3: Cross multiply
    68,999.76x = 103,413.04 × 29,510.44
  4. Step 4: Simplify right side
    68,999.76x = 3,051,764,312.14
  5. Step 5: Solve for x
    x = 3,051,764,312.14/68,999.76
  6. Step 6: Final answer
    x = 44,228.62

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1.5x scale

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.