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Finding the Fourth Proportional to 108,004.20, 162,079.20 and 60,619.20

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Solution

The fourth proportional to 108,004.20, 162,079.20 and 60,619.20 is: 90,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.20 : 162,079.20 = 60,619.20 : x
  2. Step 2: Convert to fraction form
    108,004.20/162,079.20 = 60,619.20/x
  3. Step 3: Cross multiply
    108,004.20x = 162,079.20 × 60,619.20
  4. Step 4: Simplify right side
    108,004.20x = 9,825,111,440.64
  5. Step 5: Solve for x
    x = 9,825,111,440.64/108,004.20
  6. Step 6: Final answer
    x = 90,969.72

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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.