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Finding the Fourth Proportional to 252,707.04, 379,059.48 and 65,718

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Solution

The fourth proportional to 252,707.04, 379,059.48 and 65,718 is: 98,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707.04 : 379,059.48 = 65,718 : x
  2. Step 2: Convert to fraction form
    252,707.04/379,059.48 = 65,718/x
  3. Step 3: Cross multiply
    252,707.04x = 379,059.48 × 65,718
  4. Step 4: Simplify right side
    252,707.04x = 24,911,030,906.64
  5. Step 5: Solve for x
    x = 24,911,030,906.64/252,707.04
  6. Step 6: Final answer
    x = 98,576.72

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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.