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Finding the Fourth Proportional to 69,632.60, 104,276.10 and 55,808.60

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Solution

The fourth proportional to 69,632.60, 104,276.10 and 55,808.60 is: 83,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,632.60 : 104,276.10 = 55,808.60 : x
  2. Step 2: Convert to fraction form
    69,632.60/104,276.10 = 55,808.60/x
  3. Step 3: Cross multiply
    69,632.60x = 104,276.10 × 55,808.60
  4. Step 4: Simplify right side
    69,632.60x = 5,819,503,154.46
  5. Step 5: Solve for x
    x = 5,819,503,154.46/69,632.60
  6. Step 6: Final answer
    x = 83,574.41

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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.