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Finding the Fourth Proportional to 357,265.89, 536,004.11 and 143,924.02

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Solution

The fourth proportional to 357,265.89, 536,004.11 and 143,924.02 is: 215,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,265.89 : 536,004.11 = 143,924.02 : x
  2. Step 2: Convert to fraction form
    357,265.89/536,004.11 = 143,924.02/x
  3. Step 3: Cross multiply
    357,265.89x = 536,004.11 × 143,924.02
  4. Step 4: Simplify right side
    357,265.89x = 77,143,866,247.72
  5. Step 5: Solve for x
    x = 77,143,866,247.72/357,265.89
  6. Step 6: Final answer
    x = 215,928.44

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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.