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Finding the Fourth Proportional to 171,036.80, 256,583.28 and 52,708.16

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Solution

The fourth proportional to 171,036.80, 256,583.28 and 52,708.16 is: 79,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,036.80 : 256,583.28 = 52,708.16 : x
  2. Step 2: Convert to fraction form
    171,036.80/256,583.28 = 52,708.16/x
  3. Step 3: Cross multiply
    171,036.80x = 256,583.28 × 52,708.16
  4. Step 4: Simplify right side
    171,036.80x = 13,524,032,575.56
  5. Step 5: Solve for x
    x = 13,524,032,575.56/171,036.80
  6. Step 6: Final answer
    x = 79,070.89

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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.