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Finding the Fourth Proportional to 350,012.40, 525,102.12 and 113,355.60

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Solution

The fourth proportional to 350,012.40, 525,102.12 and 113,355.60 is: 170,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,012.40 : 525,102.12 = 113,355.60 : x
  2. Step 2: Convert to fraction form
    350,012.40/525,102.12 = 113,355.60/x
  3. Step 3: Cross multiply
    350,012.40x = 525,102.12 × 113,355.60
  4. Step 4: Simplify right side
    350,012.40x = 59,523,265,873.87
  5. Step 5: Solve for x
    x = 59,523,265,873.87/350,012.40
  6. Step 6: Final answer
    x = 170,060.45

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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.