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Finding the Fourth Proportional to 174,756.72, 241,191.90 and 106,813.11

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Solution

The fourth proportional to 174,756.72, 241,191.90 and 106,813.11 is: 147,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,756.72 : 241,191.90 = 106,813.11 : x
  2. Step 2: Convert to fraction form
    174,756.72/241,191.90 = 106,813.11/x
  3. Step 3: Cross multiply
    174,756.72x = 241,191.90 × 106,813.11
  4. Step 4: Simplify right side
    174,756.72x = 25,762,456,945.81
  5. Step 5: Solve for x
    x = 25,762,456,945.81/174,756.72
  6. Step 6: Final answer
    x = 147,418.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.