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Finding the Fourth Proportional to 362,098.80, 543,148.20 and 151,714.80

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Solution

The fourth proportional to 362,098.80, 543,148.20 and 151,714.80 is: 227,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,098.80 : 543,148.20 = 151,714.80 : x
  2. Step 2: Convert to fraction form
    362,098.80/543,148.20 = 151,714.80/x
  3. Step 3: Cross multiply
    362,098.80x = 543,148.20 × 151,714.80
  4. Step 4: Simplify right side
    362,098.80x = 82,403,620,533.36
  5. Step 5: Solve for x
    x = 82,403,620,533.36/362,098.80
  6. Step 6: Final answer
    x = 227,572.20

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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.