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Finding the Fourth Proportional to 105,652.31, 158,480.20 and 29,752.67

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Solution

The fourth proportional to 105,652.31, 158,480.20 and 29,752.67 is: 44,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,652.31 : 158,480.20 = 29,752.67 : x
  2. Step 2: Convert to fraction form
    105,652.31/158,480.20 = 29,752.67/x
  3. Step 3: Cross multiply
    105,652.31x = 158,480.20 × 29,752.67
  4. Step 4: Simplify right side
    105,652.31x = 4,715,209,413.95
  5. Step 5: Solve for x
    x = 4,715,209,413.95/105,652.31
  6. Step 6: Final answer
    x = 44,629.50

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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.