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Finding the Fourth Proportional to 500,174.05, 750,334.87 and 145,141.93

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Solution

The fourth proportional to 500,174.05, 750,334.87 and 145,141.93 is: 217,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,174.05 : 750,334.87 = 145,141.93 : x
  2. Step 2: Convert to fraction form
    500,174.05/750,334.87 = 145,141.93/x
  3. Step 3: Cross multiply
    500,174.05x = 750,334.87 × 145,141.93
  4. Step 4: Simplify right side
    500,174.05x = 108,905,047,063.57
  5. Step 5: Solve for x
    x = 108,905,047,063.57/500,174.05
  6. Step 6: Final answer
    x = 217,734.30

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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.