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Finding the Fourth Proportional to 68,903.84, 95,073.12 and 45,065.60

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Solution

The fourth proportional to 68,903.84, 95,073.12 and 45,065.60 is: 62,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903.84 : 95,073.12 = 45,065.60 : x
  2. Step 2: Convert to fraction form
    68,903.84/95,073.12 = 45,065.60/x
  3. Step 3: Cross multiply
    68,903.84x = 95,073.12 × 45,065.60
  4. Step 4: Simplify right side
    68,903.84x = 4,284,527,196.67
  5. Step 5: Solve for x
    x = 4,284,527,196.67/68,903.84
  6. Step 6: Final answer
    x = 62,181.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.