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Finding the Fourth Proportional to 104,109.84, 156,244.95 and 54,202.50

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Solution

The fourth proportional to 104,109.84, 156,244.95 and 54,202.50 is: 81,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,109.84 : 156,244.95 = 54,202.50 : x
  2. Step 2: Convert to fraction form
    104,109.84/156,244.95 = 54,202.50/x
  3. Step 3: Cross multiply
    104,109.84x = 156,244.95 × 54,202.50
  4. Step 4: Simplify right side
    104,109.84x = 8,468,866,902.38
  5. Step 5: Solve for x
    x = 8,468,866,902.38/104,109.84
  6. Step 6: Final answer
    x = 81,345.50

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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.