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Finding the Fourth Proportional to 216,036.45, 324,054.68 and 181,044.45

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Solution

The fourth proportional to 216,036.45, 324,054.68 and 181,044.45 is: 271,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,036.45 : 324,054.68 = 181,044.45 : x
  2. Step 2: Convert to fraction form
    216,036.45/324,054.68 = 181,044.45/x
  3. Step 3: Cross multiply
    216,036.45x = 324,054.68 × 181,044.45
  4. Step 4: Simplify right side
    216,036.45x = 58,668,300,405.30
  5. Step 5: Solve for x
    x = 58,668,300,405.30/216,036.45
  6. Step 6: Final answer
    x = 271,566.68

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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.