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Finding the Fourth Proportional to 331,061.60, 456,863.28 and 180,159.68

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Solution

The fourth proportional to 331,061.60, 456,863.28 and 180,159.68 is: 248,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,061.60 : 456,863.28 = 180,159.68 : x
  2. Step 2: Convert to fraction form
    331,061.60/456,863.28 = 180,159.68/x
  3. Step 3: Cross multiply
    331,061.60x = 456,863.28 × 180,159.68
  4. Step 4: Simplify right side
    331,061.60x = 82,308,342,328.55
  5. Step 5: Solve for x
    x = 82,308,342,328.55/331,061.60
  6. Step 6: Final answer
    x = 248,619.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.