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Finding the Fourth Proportional to 168,030.70, 252,046.05 and 164,142.70

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Solution

The fourth proportional to 168,030.70, 252,046.05 and 164,142.70 is: 246,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030.70 : 252,046.05 = 164,142.70 : x
  2. Step 2: Convert to fraction form
    168,030.70/252,046.05 = 164,142.70/x
  3. Step 3: Cross multiply
    168,030.70x = 252,046.05 × 164,142.70
  4. Step 4: Simplify right side
    168,030.70x = 41,371,519,171.34
  5. Step 5: Solve for x
    x = 41,371,519,171.34/168,030.70
  6. Step 6: Final answer
    x = 246,214.05

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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.