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Finding the Fourth Proportional to 106,804.50, 160,217.72 and 40,300.60

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Solution

The fourth proportional to 106,804.50, 160,217.72 and 40,300.60 is: 60,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,804.50 : 160,217.72 = 40,300.60 : x
  2. Step 2: Convert to fraction form
    106,804.50/160,217.72 = 40,300.60/x
  3. Step 3: Cross multiply
    106,804.50x = 160,217.72 × 40,300.60
  4. Step 4: Simplify right side
    106,804.50x = 6,456,870,246.63
  5. Step 5: Solve for x
    x = 6,456,870,246.63/106,804.50
  6. Step 6: Final answer
    x = 60,455.04

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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.