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Finding the Fourth Proportional to 246,492.99, 340,170.63 and 155,816.32

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Solution

The fourth proportional to 246,492.99, 340,170.63 and 155,816.32 is: 215,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,492.99 : 340,170.63 = 155,816.32 : x
  2. Step 2: Convert to fraction form
    246,492.99/340,170.63 = 155,816.32/x
  3. Step 3: Cross multiply
    246,492.99x = 340,170.63 × 155,816.32
  4. Step 4: Simplify right side
    246,492.99x = 53,004,134,959.60
  5. Step 5: Solve for x
    x = 53,004,134,959.60/246,492.99
  6. Step 6: Final answer
    x = 215,033.04

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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.