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Finding the Fourth Proportional to 230,018.20, 345,027.30 and 177,530.20

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Solution

The fourth proportional to 230,018.20, 345,027.30 and 177,530.20 is: 266,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,018.20 : 345,027.30 = 177,530.20 : x
  2. Step 2: Convert to fraction form
    230,018.20/345,027.30 = 177,530.20/x
  3. Step 3: Cross multiply
    230,018.20x = 345,027.30 × 177,530.20
  4. Step 4: Simplify right side
    230,018.20x = 61,252,765,574.46
  5. Step 5: Solve for x
    x = 61,252,765,574.46/230,018.20
  6. Step 6: Final answer
    x = 266,295.30

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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.