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Finding the Fourth Proportional to 238,881.28, 358,399.72 and 114,232

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Solution

The fourth proportional to 238,881.28, 358,399.72 and 114,232 is: 171,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,881.28 : 358,399.72 = 114,232 : x
  2. Step 2: Convert to fraction form
    238,881.28/358,399.72 = 114,232/x
  3. Step 3: Cross multiply
    238,881.28x = 358,399.72 × 114,232
  4. Step 4: Simplify right side
    238,881.28x = 40,940,716,815.04
  5. Step 5: Solve for x
    x = 40,940,716,815.04/238,881.28
  6. Step 6: Final answer
    x = 171,385.20

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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.