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Finding the Fourth Proportional to 177,339.96, 265,860.24 and 82,521.12

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Solution

The fourth proportional to 177,339.96, 265,860.24 and 82,521.12 is: 123,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,339.96 : 265,860.24 = 82,521.12 : x
  2. Step 2: Convert to fraction form
    177,339.96/265,860.24 = 82,521.12/x
  3. Step 3: Cross multiply
    177,339.96x = 265,860.24 × 82,521.12
  4. Step 4: Simplify right side
    177,339.96x = 21,939,084,768.27
  5. Step 5: Solve for x
    x = 21,939,084,768.27/177,339.96
  6. Step 6: Final answer
    x = 123,712.02

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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.