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Finding the Fourth Proportional to 242,993.80, 364,490.70 and 166,886.20

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Solution

The fourth proportional to 242,993.80, 364,490.70 and 166,886.20 is: 250,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,993.80 : 364,490.70 = 166,886.20 : x
  2. Step 2: Convert to fraction form
    242,993.80/364,490.70 = 166,886.20/x
  3. Step 3: Cross multiply
    242,993.80x = 364,490.70 × 166,886.20
  4. Step 4: Simplify right side
    242,993.80x = 60,828,467,858.34
  5. Step 5: Solve for x
    x = 60,828,467,858.34/242,993.80
  6. Step 6: Final answer
    x = 250,329.30

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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.