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Finding the Fourth Proportional to 239,608.20, 358,664.40 and 176,499.48

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Solution

The fourth proportional to 239,608.20, 358,664.40 and 176,499.48 is: 264,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,608.20 : 358,664.40 = 176,499.48 : x
  2. Step 2: Convert to fraction form
    239,608.20/358,664.40 = 176,499.48/x
  3. Step 3: Cross multiply
    239,608.20x = 358,664.40 × 176,499.48
  4. Step 4: Simplify right side
    239,608.20x = 63,304,080,094.51
  5. Step 5: Solve for x
    x = 63,304,080,094.51/239,608.20
  6. Step 6: Final answer
    x = 264,198.30

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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.