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Finding the Fourth Proportional to 219,271.52, 328,918.04 and 71,527.52

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Solution

The fourth proportional to 219,271.52, 328,918.04 and 71,527.52 is: 107,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,271.52 : 328,918.04 = 71,527.52 : x
  2. Step 2: Convert to fraction form
    219,271.52/328,918.04 = 71,527.52/x
  3. Step 3: Cross multiply
    219,271.52x = 328,918.04 × 71,527.52
  4. Step 4: Simplify right side
    219,271.52x = 23,526,691,684.46
  5. Step 5: Solve for x
    x = 23,526,691,684.46/219,271.52
  6. Step 6: Final answer
    x = 107,294.79

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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.