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Finding the Fourth Proportional to 335,115.04, 501,993.60 and 154,944.40

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Solution

The fourth proportional to 335,115.04, 501,993.60 and 154,944.40 is: 232,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,115.04 : 501,993.60 = 154,944.40 : x
  2. Step 2: Convert to fraction form
    335,115.04/501,993.60 = 154,944.40/x
  3. Step 3: Cross multiply
    335,115.04x = 501,993.60 × 154,944.40
  4. Step 4: Simplify right side
    335,115.04x = 77,781,097,155.84
  5. Step 5: Solve for x
    x = 77,781,097,155.84/335,115.04
  6. Step 6: Final answer
    x = 232,102.67

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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.