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Finding the Fourth Proportional to 230,744.47, 346,271.15 and 80,985.46

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Solution

The fourth proportional to 230,744.47, 346,271.15 and 80,985.46 is: 121,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,744.47 : 346,271.15 = 80,985.46 : x
  2. Step 2: Convert to fraction form
    230,744.47/346,271.15 = 80,985.46/x
  3. Step 3: Cross multiply
    230,744.47x = 346,271.15 × 80,985.46
  4. Step 4: Simplify right side
    230,744.47x = 28,042,928,367.48
  5. Step 5: Solve for x
    x = 28,042,928,367.48/230,744.47
  6. Step 6: Final answer
    x = 121,532.40

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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.