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Finding the Fourth Proportional to 341,700.90, 512,551.35 and 164,165.10

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Solution

The fourth proportional to 341,700.90, 512,551.35 and 164,165.10 is: 246,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,700.90 : 512,551.35 = 164,165.10 : x
  2. Step 2: Convert to fraction form
    341,700.90/512,551.35 = 164,165.10/x
  3. Step 3: Cross multiply
    341,700.90x = 512,551.35 × 164,165.10
  4. Step 4: Simplify right side
    341,700.90x = 84,143,043,627.89
  5. Step 5: Solve for x
    x = 84,143,043,627.89/341,700.90
  6. Step 6: Final answer
    x = 246,247.65

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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.