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Finding the Fourth Proportional to 171,307.27, 256,978.01 and 58,972.62

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Solution

The fourth proportional to 171,307.27, 256,978.01 and 58,972.62 is: 88,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,307.27 : 256,978.01 = 58,972.62 : x
  2. Step 2: Convert to fraction form
    171,307.27/256,978.01 = 58,972.62/x
  3. Step 3: Cross multiply
    171,307.27x = 256,978.01 × 58,972.62
  4. Step 4: Simplify right side
    171,307.27x = 15,154,666,532.09
  5. Step 5: Solve for x
    x = 15,154,666,532.09/171,307.27
  6. Step 6: Final answer
    x = 88,464.82

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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.