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Finding the Fourth Proportional to 108,216.60, 162,324.90 and 60,977.40

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Solution

The fourth proportional to 108,216.60, 162,324.90 and 60,977.40 is: 91,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,216.60 : 162,324.90 = 60,977.40 : x
  2. Step 2: Convert to fraction form
    108,216.60/162,324.90 = 60,977.40/x
  3. Step 3: Cross multiply
    108,216.60x = 162,324.90 × 60,977.40
  4. Step 4: Simplify right side
    108,216.60x = 9,898,150,357.26
  5. Step 5: Solve for x
    x = 9,898,150,357.26/108,216.60
  6. Step 6: Final answer
    x = 91,466.10

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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.