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Finding the Fourth Proportional to 321,167.40, 481,637.70 and 110,756.40

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Solution

The fourth proportional to 321,167.40, 481,637.70 and 110,756.40 is: 166,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,167.40 : 481,637.70 = 110,756.40 : x
  2. Step 2: Convert to fraction form
    321,167.40/481,637.70 = 110,756.40/x
  3. Step 3: Cross multiply
    321,167.40x = 481,637.70 × 110,756.40
  4. Step 4: Simplify right side
    321,167.40x = 53,344,457,756.28
  5. Step 5: Solve for x
    x = 53,344,457,756.28/321,167.40
  6. Step 6: Final answer
    x = 166,095.49

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1.5x scale

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.