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Finding the Fourth Proportional to 114,548.58, 171,667.35 and 85,077.54

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Solution

The fourth proportional to 114,548.58, 171,667.35 and 85,077.54 is: 127,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,548.58 : 171,667.35 = 85,077.54 : x
  2. Step 2: Convert to fraction form
    114,548.58/171,667.35 = 85,077.54/x
  3. Step 3: Cross multiply
    114,548.58x = 171,667.35 × 85,077.54
  4. Step 4: Simplify right side
    114,548.58x = 14,605,035,836.32
  5. Step 5: Solve for x
    x = 14,605,035,836.32/114,548.58
  6. Step 6: Final answer
    x = 127,500.80

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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.