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Finding the Fourth Proportional to 259,530, 358,173.30 and 146,374.62

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Solution

The fourth proportional to 259,530, 358,173.30 and 146,374.62 is: 202,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,530 : 358,173.30 = 146,374.62 : x
  2. Step 2: Convert to fraction form
    259,530/358,173.30 = 146,374.62/x
  3. Step 3: Cross multiply
    259,530x = 358,173.30 × 146,374.62
  4. Step 4: Simplify right side
    259,530x = 52,427,480,681.65
  5. Step 5: Solve for x
    x = 52,427,480,681.65/259,530
  6. Step 6: Final answer
    x = 202,009.33

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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.