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Finding the Fourth Proportional to 350,056.60, 525,084.90 and 113,423.20

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Solution

The fourth proportional to 350,056.60, 525,084.90 and 113,423.20 is: 170,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,056.60 : 525,084.90 = 113,423.20 : x
  2. Step 2: Convert to fraction form
    350,056.60/525,084.90 = 113,423.20/x
  3. Step 3: Cross multiply
    350,056.60x = 525,084.90 × 113,423.20
  4. Step 4: Simplify right side
    350,056.60x = 59,556,809,629.68
  5. Step 5: Solve for x
    x = 59,556,809,629.68/350,056.60
  6. Step 6: Final answer
    x = 170,134.80

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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.