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Finding the Fourth Proportional to 69,648.60, 104,300.10 and 55,824.60

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Solution

The fourth proportional to 69,648.60, 104,300.10 and 55,824.60 is: 83,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648.60 : 104,300.10 = 55,824.60 : x
  2. Step 2: Convert to fraction form
    69,648.60/104,300.10 = 55,824.60/x
  3. Step 3: Cross multiply
    69,648.60x = 104,300.10 × 55,824.60
  4. Step 4: Simplify right side
    69,648.60x = 5,822,511,362.46
  5. Step 5: Solve for x
    x = 5,822,511,362.46/69,648.60
  6. Step 6: Final answer
    x = 83,598.40

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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.