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Finding the Fourth Proportional to 341,062.85, 511,507.01 and 101,120.64

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Solution

The fourth proportional to 341,062.85, 511,507.01 and 101,120.64 is: 151,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,062.85 : 511,507.01 = 101,120.64 : x
  2. Step 2: Convert to fraction form
    341,062.85/511,507.01 = 101,120.64/x
  3. Step 3: Cross multiply
    341,062.85x = 511,507.01 × 101,120.64
  4. Step 4: Simplify right side
    341,062.85x = 51,723,916,570.21
  5. Step 5: Solve for x
    x = 51,723,916,570.21/341,062.85
  6. Step 6: Final answer
    x = 151,655.09

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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.