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Finding the Fourth Proportional to 241,719.20, 362,233.20 and 178,042.40

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Solution

The fourth proportional to 241,719.20, 362,233.20 and 178,042.40 is: 266,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,719.20 : 362,233.20 = 178,042.40 : x
  2. Step 2: Convert to fraction form
    241,719.20/362,233.20 = 178,042.40/x
  3. Step 3: Cross multiply
    241,719.20x = 362,233.20 × 178,042.40
  4. Step 4: Simplify right side
    241,719.20x = 64,492,868,287.68
  5. Step 5: Solve for x
    x = 64,492,868,287.68/241,719.20
  6. Step 6: Final answer
    x = 266,809.04

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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.