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Finding the Fourth Proportional to 168,011.80, 252,017.70 and 166,845.40

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Solution

The fourth proportional to 168,011.80, 252,017.70 and 166,845.40 is: 250,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,011.80 : 252,017.70 = 166,845.40 : x
  2. Step 2: Convert to fraction form
    168,011.80/252,017.70 = 166,845.40/x
  3. Step 3: Cross multiply
    168,011.80x = 252,017.70 × 166,845.40
  4. Step 4: Simplify right side
    168,011.80x = 42,047,993,963.58
  5. Step 5: Solve for x
    x = 42,047,993,963.58/168,011.80
  6. Step 6: Final answer
    x = 250,268.10

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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.