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Finding the Fourth Proportional to 260,852.32, 359,974.32 and 147,674.08

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Solution

The fourth proportional to 260,852.32, 359,974.32 and 147,674.08 is: 203,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,852.32 : 359,974.32 = 147,674.08 : x
  2. Step 2: Convert to fraction form
    260,852.32/359,974.32 = 147,674.08/x
  3. Step 3: Cross multiply
    260,852.32x = 359,974.32 × 147,674.08
  4. Step 4: Simplify right side
    260,852.32x = 53,158,876,529.63
  5. Step 5: Solve for x
    x = 53,158,876,529.63/260,852.32
  6. Step 6: Final answer
    x = 203,789.17

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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.