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Finding the Fourth Proportional to 182,421.80, 273,632.70 and 169,980.20

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Solution

The fourth proportional to 182,421.80, 273,632.70 and 169,980.20 is: 254,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,421.80 : 273,632.70 = 169,980.20 : x
  2. Step 2: Convert to fraction form
    182,421.80/273,632.70 = 169,980.20/x
  3. Step 3: Cross multiply
    182,421.80x = 273,632.70 × 169,980.20
  4. Step 4: Simplify right side
    182,421.80x = 46,512,141,072.54
  5. Step 5: Solve for x
    x = 46,512,141,072.54/182,421.80
  6. Step 6: Final answer
    x = 254,970.30

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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.