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Finding the Fourth Proportional to 108,874.48, 163,269.72 and 42,305.84

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Solution

The fourth proportional to 108,874.48, 163,269.72 and 42,305.84 is: 63,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.48 : 163,269.72 = 42,305.84 : x
  2. Step 2: Convert to fraction form
    108,874.48/163,269.72 = 42,305.84/x
  3. Step 3: Cross multiply
    108,874.48x = 163,269.72 × 42,305.84
  4. Step 4: Simplify right side
    108,874.48x = 6,907,262,651.16
  5. Step 5: Solve for x
    x = 6,907,262,651.16/108,874.48
  6. Step 6: Final answer
    x = 63,442.44

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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.