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Finding the Fourth Proportional to 350,523.60, 525,735.96 and 113,869.12

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Solution

The fourth proportional to 350,523.60, 525,735.96 and 113,869.12 is: 170,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,523.60 : 525,735.96 = 113,869.12 : x
  2. Step 2: Convert to fraction form
    350,523.60/525,735.96 = 113,869.12/x
  3. Step 3: Cross multiply
    350,523.60x = 525,735.96 × 113,869.12
  4. Step 4: Simplify right side
    350,523.60x = 59,865,091,117.56
  5. Step 5: Solve for x
    x = 59,865,091,117.56/350,523.60
  6. Step 6: Final answer
    x = 170,787.62

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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.