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Finding the Fourth Proportional to 108,442.53, 162,645.34 and 29,538.30

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Solution

The fourth proportional to 108,442.53, 162,645.34 and 29,538.30 is: 44,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,442.53 : 162,645.34 = 29,538.30 : x
  2. Step 2: Convert to fraction form
    108,442.53/162,645.34 = 29,538.30/x
  3. Step 3: Cross multiply
    108,442.53x = 162,645.34 × 29,538.30
  4. Step 4: Simplify right side
    108,442.53x = 4,804,266,846.52
  5. Step 5: Solve for x
    x = 4,804,266,846.52/108,442.53
  6. Step 6: Final answer
    x = 44,302.42

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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.