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Finding the Fourth Proportional to 247,714.03, 341,720.31 and 145,674.52

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Solution

The fourth proportional to 247,714.03, 341,720.31 and 145,674.52 is: 200,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,714.03 : 341,720.31 = 145,674.52 : x
  2. Step 2: Convert to fraction form
    247,714.03/341,720.31 = 145,674.52/x
  3. Step 3: Cross multiply
    247,714.03x = 341,720.31 × 145,674.52
  4. Step 4: Simplify right side
    247,714.03x = 49,779,942,133.50
  5. Step 5: Solve for x
    x = 49,779,942,133.50/247,714.03
  6. Step 6: Final answer
    x = 200,957.30

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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.