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Finding the Fourth Proportional to 171,063.05, 256,520.32 and 65,808.14

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Solution

The fourth proportional to 171,063.05, 256,520.32 and 65,808.14 is: 98,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,063.05 : 256,520.32 = 65,808.14 : x
  2. Step 2: Convert to fraction form
    171,063.05/256,520.32 = 65,808.14/x
  3. Step 3: Cross multiply
    171,063.05x = 256,520.32 × 65,808.14
  4. Step 4: Simplify right side
    171,063.05x = 16,881,123,684.28
  5. Step 5: Solve for x
    x = 16,881,123,684.28/171,063.05
  6. Step 6: Final answer
    x = 98,683.64

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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.