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Finding the Fourth Proportional to 260,051.65, 358,844.50 and 178,449.86

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Solution

The fourth proportional to 260,051.65, 358,844.50 and 178,449.86 is: 246,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,051.65 : 358,844.50 = 178,449.86 : x
  2. Step 2: Convert to fraction form
    260,051.65/358,844.50 = 178,449.86/x
  3. Step 3: Cross multiply
    260,051.65x = 358,844.50 × 178,449.86
  4. Step 4: Simplify right side
    260,051.65x = 64,035,750,786.77
  5. Step 5: Solve for x
    x = 64,035,750,786.77/260,051.65
  6. Step 6: Final answer
    x = 246,242.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.