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Finding the Fourth Proportional to 246,643.20, 370,110.60 and 162,646.20

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Solution

The fourth proportional to 246,643.20, 370,110.60 and 162,646.20 is: 244,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,643.20 : 370,110.60 = 162,646.20 : x
  2. Step 2: Convert to fraction form
    246,643.20/370,110.60 = 162,646.20/x
  3. Step 3: Cross multiply
    246,643.20x = 370,110.60 × 162,646.20
  4. Step 4: Simplify right side
    246,643.20x = 60,197,082,669.72
  5. Step 5: Solve for x
    x = 60,197,082,669.72/246,643.20
  6. Step 6: Final answer
    x = 244,065.45

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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.