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Finding the Fourth Proportional to 350,008.20, 525,077.10 and 113,358.60

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Solution

The fourth proportional to 350,008.20, 525,077.10 and 113,358.60 is: 170,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,008.20 : 525,077.10 = 113,358.60 : x
  2. Step 2: Convert to fraction form
    350,008.20/525,077.10 = 113,358.60/x
  3. Step 3: Cross multiply
    350,008.20x = 525,077.10 × 113,358.60
  4. Step 4: Simplify right side
    350,008.20x = 59,522,004,948.06
  5. Step 5: Solve for x
    x = 59,522,004,948.06/350,008.20
  6. Step 6: Final answer
    x = 170,058.89

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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.