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Finding the Fourth Proportional to 341,164.40, 511,746.12 and 91,846.64

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Solution

The fourth proportional to 341,164.40, 511,746.12 and 91,846.64 is: 137,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,164.40 : 511,746.12 = 91,846.64 : x
  2. Step 2: Convert to fraction form
    341,164.40/511,746.12 = 91,846.64/x
  3. Step 3: Cross multiply
    341,164.40x = 511,746.12 × 91,846.64
  4. Step 4: Simplify right side
    341,164.40x = 47,002,161,655.04
  5. Step 5: Solve for x
    x = 47,002,161,655.04/341,164.40
  6. Step 6: Final answer
    x = 137,769.83

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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.