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Finding the Fourth Proportional to 109,340.60, 164,010.90 and 54,044.60

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Solution

The fourth proportional to 109,340.60, 164,010.90 and 54,044.60 is: 81,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,340.60 : 164,010.90 = 54,044.60 : x
  2. Step 2: Convert to fraction form
    109,340.60/164,010.90 = 54,044.60/x
  3. Step 3: Cross multiply
    109,340.60x = 164,010.90 × 54,044.60
  4. Step 4: Simplify right side
    109,340.60x = 8,863,903,486.14
  5. Step 5: Solve for x
    x = 8,863,903,486.14/109,340.60
  6. Step 6: Final answer
    x = 81,066.90

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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.