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Finding the Fourth Proportional to 171,577.44, 257,366.16 and 53,217

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Solution

The fourth proportional to 171,577.44, 257,366.16 and 53,217 is: 79,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,577.44 : 257,366.16 = 53,217 : x
  2. Step 2: Convert to fraction form
    171,577.44/257,366.16 = 53,217/x
  3. Step 3: Cross multiply
    171,577.44x = 257,366.16 × 53,217
  4. Step 4: Simplify right side
    171,577.44x = 13,696,254,936.72
  5. Step 5: Solve for x
    x = 13,696,254,936.72/171,577.44
  6. Step 6: Final answer
    x = 79,825.50

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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.