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Finding the Fourth Proportional to 68,660.10, 96,331.50 and 68,660.10

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Solution

The fourth proportional to 68,660.10, 96,331.50 and 68,660.10 is: 96,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,660.10 : 96,331.50 = 68,660.10 : x
  2. Step 2: Convert to fraction form
    68,660.10/96,331.50 = 68,660.10/x
  3. Step 3: Cross multiply
    68,660.10x = 96,331.50 × 68,660.10
  4. Step 4: Simplify right side
    68,660.10x = 6,614,130,423.15
  5. Step 5: Solve for x
    x = 6,614,130,423.15/68,660.10
  6. Step 6: Final answer
    x = 96,331.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.