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Finding the Fourth Proportional to 223,346.10, 335,019.15 and 134,772.60

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Solution

The fourth proportional to 223,346.10, 335,019.15 and 134,772.60 is: 202,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,346.10 : 335,019.15 = 134,772.60 : x
  2. Step 2: Convert to fraction form
    223,346.10/335,019.15 = 134,772.60/x
  3. Step 3: Cross multiply
    223,346.10x = 335,019.15 × 134,772.60
  4. Step 4: Simplify right side
    223,346.10x = 45,151,401,895.29
  5. Step 5: Solve for x
    x = 45,151,401,895.29/223,346.10
  6. Step 6: Final answer
    x = 202,158.90

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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.