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Finding the Fourth Proportional to 260,079.75, 358,939.26 and 146,909.79

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Solution

The fourth proportional to 260,079.75, 358,939.26 and 146,909.79 is: 202,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,079.75 : 358,939.26 = 146,909.79 : x
  2. Step 2: Convert to fraction form
    260,079.75/358,939.26 = 146,909.79/x
  3. Step 3: Cross multiply
    260,079.75x = 358,939.26 × 146,909.79
  4. Step 4: Simplify right side
    260,079.75x = 52,731,691,309.36
  5. Step 5: Solve for x
    x = 52,731,691,309.36/260,079.75
  6. Step 6: Final answer
    x = 202,752.01

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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.