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Finding the Fourth Proportional to 333,543.81, 500,163.84 and 143,914.35

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Solution

The fourth proportional to 333,543.81, 500,163.84 and 143,914.35 is: 215,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,543.81 : 500,163.84 = 143,914.35 : x
  2. Step 2: Convert to fraction form
    333,543.81/500,163.84 = 143,914.35/x
  3. Step 3: Cross multiply
    333,543.81x = 500,163.84 × 143,914.35
  4. Step 4: Simplify right side
    333,543.81x = 71,980,753,927.10
  5. Step 5: Solve for x
    x = 71,980,753,927.10/333,543.81
  6. Step 6: Final answer
    x = 215,806.00

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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.