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Finding the Fourth Proportional to 181,524.80, 272,416.80 and 102,555.20

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Solution

The fourth proportional to 181,524.80, 272,416.80 and 102,555.20 is: 153,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,524.80 : 272,416.80 = 102,555.20 : x
  2. Step 2: Convert to fraction form
    181,524.80/272,416.80 = 102,555.20/x
  3. Step 3: Cross multiply
    181,524.80x = 272,416.80 × 102,555.20
  4. Step 4: Simplify right side
    181,524.80x = 27,937,759,407.36
  5. Step 5: Solve for x
    x = 27,937,759,407.36/181,524.80
  6. Step 6: Final answer
    x = 153,906.02

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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.