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Finding the Fourth Proportional to 68,230.10, 102,308.70 and 23,858.30

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Solution

The fourth proportional to 68,230.10, 102,308.70 and 23,858.30 is: 35,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.10 : 102,308.70 = 23,858.30 : x
  2. Step 2: Convert to fraction form
    68,230.10/102,308.70 = 23,858.30/x
  3. Step 3: Cross multiply
    68,230.10x = 102,308.70 × 23,858.30
  4. Step 4: Simplify right side
    68,230.10x = 2,440,911,657.21
  5. Step 5: Solve for x
    x = 2,440,911,657.21/68,230.10
  6. Step 6: Final answer
    x = 35,774.70

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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.