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Finding the Fourth Proportional to 264,001.20, 395,710.20 and 145,757.40

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Solution

The fourth proportional to 264,001.20, 395,710.20 and 145,757.40 is: 218,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,001.20 : 395,710.20 = 145,757.40 : x
  2. Step 2: Convert to fraction form
    264,001.20/395,710.20 = 145,757.40/x
  3. Step 3: Cross multiply
    264,001.20x = 395,710.20 × 145,757.40
  4. Step 4: Simplify right side
    264,001.20x = 57,677,689,905.48
  5. Step 5: Solve for x
    x = 57,677,689,905.48/264,001.20
  6. Step 6: Final answer
    x = 218,475.11

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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.