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Finding the Fourth Proportional to 114,078.40, 171,129.33 and 43,060.86

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Solution

The fourth proportional to 114,078.40, 171,129.33 and 43,060.86 is: 64,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,078.40 : 171,129.33 = 43,060.86 : x
  2. Step 2: Convert to fraction form
    114,078.40/171,129.33 = 43,060.86/x
  3. Step 3: Cross multiply
    114,078.40x = 171,129.33 × 43,060.86
  4. Step 4: Simplify right side
    114,078.40x = 7,368,976,121.02
  5. Step 5: Solve for x
    x = 7,368,976,121.02/114,078.40
  6. Step 6: Final answer
    x = 64,595.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.