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Finding the Fourth Proportional to 308,114.10, 462,171.15 and 108,432.90

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Solution

The fourth proportional to 308,114.10, 462,171.15 and 108,432.90 is: 162,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,114.10 : 462,171.15 = 108,432.90 : x
  2. Step 2: Convert to fraction form
    308,114.10/462,171.15 = 108,432.90/x
  3. Step 3: Cross multiply
    308,114.10x = 462,171.15 × 108,432.90
  4. Step 4: Simplify right side
    308,114.10x = 50,114,558,090.84
  5. Step 5: Solve for x
    x = 50,114,558,090.84/308,114.10
  6. Step 6: Final answer
    x = 162,649.35

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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.