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Finding the Fourth Proportional to 171,056.70, 256,609.35 and 52,715.70

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Solution

The fourth proportional to 171,056.70, 256,609.35 and 52,715.70 is: 79,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,056.70 : 256,609.35 = 52,715.70 : x
  2. Step 2: Convert to fraction form
    171,056.70/256,609.35 = 52,715.70/x
  3. Step 3: Cross multiply
    171,056.70x = 256,609.35 × 52,715.70
  4. Step 4: Simplify right side
    171,056.70x = 13,527,341,511.80
  5. Step 5: Solve for x
    x = 13,527,341,511.80/171,056.70
  6. Step 6: Final answer
    x = 79,081.04

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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.