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Finding the Fourth Proportional to 74,047.86, 110,813.34 and 60,564.96

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Solution

The fourth proportional to 74,047.86, 110,813.34 and 60,564.96 is: 90,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.86 : 110,813.34 = 60,564.96 : x
  2. Step 2: Convert to fraction form
    74,047.86/110,813.34 = 60,564.96/x
  3. Step 3: Cross multiply
    74,047.86x = 110,813.34 × 60,564.96
  4. Step 4: Simplify right side
    74,047.86x = 6,711,405,504.57
  5. Step 5: Solve for x
    x = 6,711,405,504.57/74,047.86
  6. Step 6: Final answer
    x = 90,636.05

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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.