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Finding the Fourth Proportional to 79,677.60, 119,516.40 and 23,518.48

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Solution

The fourth proportional to 79,677.60, 119,516.40 and 23,518.48 is: 35,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.60 : 119,516.40 = 23,518.48 : x
  2. Step 2: Convert to fraction form
    79,677.60/119,516.40 = 23,518.48/x
  3. Step 3: Cross multiply
    79,677.60x = 119,516.40 × 23,518.48
  4. Step 4: Simplify right side
    79,677.60x = 2,810,844,063.07
  5. Step 5: Solve for x
    x = 2,810,844,063.07/79,677.60
  6. Step 6: Final answer
    x = 35,277.72

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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.