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Finding the Fourth Proportional to 108,817.40, 163,590.60 and 94,383.20

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Solution

The fourth proportional to 108,817.40, 163,590.60 and 94,383.20 is: 141,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,817.40 : 163,590.60 = 94,383.20 : x
  2. Step 2: Convert to fraction form
    108,817.40/163,590.60 = 94,383.20/x
  3. Step 3: Cross multiply
    108,817.40x = 163,590.60 × 94,383.20
  4. Step 4: Simplify right side
    108,817.40x = 15,440,204,317.92
  5. Step 5: Solve for x
    x = 15,440,204,317.92/108,817.40
  6. Step 6: Final answer
    x = 141,890.95

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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.