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Finding the Fourth Proportional to 169,632.80, 254,449.20 and 153,303.20

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Solution

The fourth proportional to 169,632.80, 254,449.20 and 153,303.20 is: 229,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,632.80 : 254,449.20 = 153,303.20 : x
  2. Step 2: Convert to fraction form
    169,632.80/254,449.20 = 153,303.20/x
  3. Step 3: Cross multiply
    169,632.80x = 254,449.20 × 153,303.20
  4. Step 4: Simplify right side
    169,632.80x = 39,007,876,597.44
  5. Step 5: Solve for x
    x = 39,007,876,597.44/169,632.80
  6. Step 6: Final answer
    x = 229,954.80

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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.