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Finding the Fourth Proportional to 149,114.48, 223,670.48 and 43,931.92

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Solution

The fourth proportional to 149,114.48, 223,670.48 and 43,931.92 is: 65,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,114.48 : 223,670.48 = 43,931.92 : x
  2. Step 2: Convert to fraction form
    149,114.48/223,670.48 = 43,931.92/x
  3. Step 3: Cross multiply
    149,114.48x = 223,670.48 × 43,931.92
  4. Step 4: Simplify right side
    149,114.48x = 9,826,273,633.72
  5. Step 5: Solve for x
    x = 9,826,273,633.72/149,114.48
  6. Step 6: Final answer
    x = 65,897.51

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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.