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Finding the Fourth Proportional to 98,352.80, 147,586.80 and 36,029.60

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Solution

The fourth proportional to 98,352.80, 147,586.80 and 36,029.60 is: 54,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,352.80 : 147,586.80 = 36,029.60 : x
  2. Step 2: Convert to fraction form
    98,352.80/147,586.80 = 36,029.60/x
  3. Step 3: Cross multiply
    98,352.80x = 147,586.80 × 36,029.60
  4. Step 4: Simplify right side
    98,352.80x = 5,317,493,369.28
  5. Step 5: Solve for x
    x = 5,317,493,369.28/98,352.80
  6. Step 6: Final answer
    x = 54,065.50

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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.