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Finding the Fourth Proportional to 68,189.44, 102,266.88 and 28,746.24

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Solution

The fourth proportional to 68,189.44, 102,266.88 and 28,746.24 is: 43,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.44 : 102,266.88 = 28,746.24 : x
  2. Step 2: Convert to fraction form
    68,189.44/102,266.88 = 28,746.24/x
  3. Step 3: Cross multiply
    68,189.44x = 102,266.88 × 28,746.24
  4. Step 4: Simplify right side
    68,189.44x = 2,939,788,276.53
  5. Step 5: Solve for x
    x = 2,939,788,276.53/68,189.44
  6. Step 6: Final answer
    x = 43,112.08

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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.