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Finding the Fourth Proportional to 341,164.28, 511,527.72 and 141,622.40

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Solution

The fourth proportional to 341,164.28, 511,527.72 and 141,622.40 is: 212,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,164.28 : 511,527.72 = 141,622.40 : x
  2. Step 2: Convert to fraction form
    341,164.28/511,527.72 = 141,622.40/x
  3. Step 3: Cross multiply
    341,164.28x = 511,527.72 × 141,622.40
  4. Step 4: Simplify right side
    341,164.28x = 72,443,783,372.93
  5. Step 5: Solve for x
    x = 72,443,783,372.93/341,164.28
  6. Step 6: Final answer
    x = 212,342.81

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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.