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Finding the Fourth Proportional to 68,285.28, 102,407.88 and 23,903.76

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Solution

The fourth proportional to 68,285.28, 102,407.88 and 23,903.76 is: 35,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.28 : 102,407.88 = 23,903.76 : x
  2. Step 2: Convert to fraction form
    68,285.28/102,407.88 = 23,903.76/x
  3. Step 3: Cross multiply
    68,285.28x = 102,407.88 × 23,903.76
  4. Step 4: Simplify right side
    68,285.28x = 2,447,933,385.63
  5. Step 5: Solve for x
    x = 2,447,933,385.63/68,285.28
  6. Step 6: Final answer
    x = 35,848.62

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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.