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Finding the Fourth Proportional to 170,813.55, 256,226.40 and 52,484.70

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Solution

The fourth proportional to 170,813.55, 256,226.40 and 52,484.70 is: 78,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,813.55 : 256,226.40 = 52,484.70 : x
  2. Step 2: Convert to fraction form
    170,813.55/256,226.40 = 52,484.70/x
  3. Step 3: Cross multiply
    170,813.55x = 256,226.40 × 52,484.70
  4. Step 4: Simplify right side
    170,813.55x = 13,447,965,736.08
  5. Step 5: Solve for x
    x = 13,447,965,736.08/170,813.55
  6. Step 6: Final answer
    x = 78,728.92

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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.