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Finding the Fourth Proportional to 341,043.66, 511,605 and 113,359.64

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Solution

The fourth proportional to 341,043.66, 511,605 and 113,359.64 is: 170,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,043.66 : 511,605 = 113,359.64 : x
  2. Step 2: Convert to fraction form
    341,043.66/511,605 = 113,359.64/x
  3. Step 3: Cross multiply
    341,043.66x = 511,605 × 113,359.64
  4. Step 4: Simplify right side
    341,043.66x = 57,995,356,064.18
  5. Step 5: Solve for x
    x = 57,995,356,064.18/341,043.66
  6. Step 6: Final answer
    x = 170,052.59

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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.