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Finding the Fourth Proportional to 171,894.29, 257,841.50 and 53,575.16

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Solution

The fourth proportional to 171,894.29, 257,841.50 and 53,575.16 is: 80,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,894.29 : 257,841.50 = 53,575.16 : x
  2. Step 2: Convert to fraction form
    171,894.29/257,841.50 = 53,575.16/x
  3. Step 3: Cross multiply
    171,894.29x = 257,841.50 × 53,575.16
  4. Step 4: Simplify right side
    171,894.29x = 13,813,898,060.06
  5. Step 5: Solve for x
    x = 13,813,898,060.06/171,894.29
  6. Step 6: Final answer
    x = 80,362.75

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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.