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Finding the Fourth Proportional to 333,725.40, 500,642.69 and 109,020.60

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Solution

The fourth proportional to 333,725.40, 500,642.69 and 109,020.60 is: 163,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,725.40 : 500,642.69 = 109,020.60 : x
  2. Step 2: Convert to fraction form
    333,725.40/500,642.69 = 109,020.60/x
  3. Step 3: Cross multiply
    333,725.40x = 500,642.69 × 109,020.60
  4. Step 4: Simplify right side
    333,725.40x = 54,580,365,904.31
  5. Step 5: Solve for x
    x = 54,580,365,904.31/333,725.40
  6. Step 6: Final answer
    x = 163,548.73

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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.