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Finding the Fourth Proportional to 219,265.70, 328,801.35 and 100,876.10

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Solution

The fourth proportional to 219,265.70, 328,801.35 and 100,876.10 is: 151,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,265.70 : 328,801.35 = 100,876.10 : x
  2. Step 2: Convert to fraction form
    219,265.70/328,801.35 = 100,876.10/x
  3. Step 3: Cross multiply
    219,265.70x = 328,801.35 × 100,876.10
  4. Step 4: Simplify right side
    219,265.70x = 33,168,197,862.74
  5. Step 5: Solve for x
    x = 33,168,197,862.74/219,265.70
  6. Step 6: Final answer
    x = 151,269.43

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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.