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Finding the Fourth Proportional to 264,765.60, 397,455.60 and 159,703.20

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Solution

The fourth proportional to 264,765.60, 397,455.60 and 159,703.20 is: 239,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,765.60 : 397,455.60 = 159,703.20 : x
  2. Step 2: Convert to fraction form
    264,765.60/397,455.60 = 159,703.20/x
  3. Step 3: Cross multiply
    264,765.60x = 397,455.60 × 159,703.20
  4. Step 4: Simplify right side
    264,765.60x = 63,474,931,177.92
  5. Step 5: Solve for x
    x = 63,474,931,177.92/264,765.60
  6. Step 6: Final answer
    x = 239,740.10

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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.