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Finding the Fourth Proportional to 350,014.70, 525,086.85 and 113,365.10

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Solution

The fourth proportional to 350,014.70, 525,086.85 and 113,365.10 is: 170,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,014.70 : 525,086.85 = 113,365.10 : x
  2. Step 2: Convert to fraction form
    350,014.70/525,086.85 = 113,365.10/x
  3. Step 3: Cross multiply
    350,014.70x = 525,086.85 × 113,365.10
  4. Step 4: Simplify right side
    350,014.70x = 59,526,523,258.94
  5. Step 5: Solve for x
    x = 59,526,523,258.94/350,014.70
  6. Step 6: Final answer
    x = 170,068.64

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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.