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Finding the Fourth Proportional to 294,459.23, 441,735.32 and 125,980.65

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Solution

The fourth proportional to 294,459.23, 441,735.32 and 125,980.65 is: 188,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,459.23 : 441,735.32 = 125,980.65 : x
  2. Step 2: Convert to fraction form
    294,459.23/441,735.32 = 125,980.65/x
  3. Step 3: Cross multiply
    294,459.23x = 441,735.32 × 125,980.65
  4. Step 4: Simplify right side
    294,459.23x = 55,650,103,056.51
  5. Step 5: Solve for x
    x = 55,650,103,056.51/294,459.23
  6. Step 6: Final answer
    x = 188,990.86

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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.