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Finding the Fourth Proportional to 211,864.65, 317,797.48 and 51,941.29

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Solution

The fourth proportional to 211,864.65, 317,797.48 and 51,941.29 is: 77,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,864.65 : 317,797.48 = 51,941.29 : x
  2. Step 2: Convert to fraction form
    211,864.65/317,797.48 = 51,941.29/x
  3. Step 3: Cross multiply
    211,864.65x = 317,797.48 × 51,941.29
  4. Step 4: Simplify right side
    211,864.65x = 16,506,809,480.96
  5. Step 5: Solve for x
    x = 16,506,809,480.96/211,864.65
  6. Step 6: Final answer
    x = 77,912.05

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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.