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Finding the Fourth Proportional to 92,667.21, 127,894.44 and 58,678.89

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Solution

The fourth proportional to 92,667.21, 127,894.44 and 58,678.89 is: 80,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,667.21 : 127,894.44 = 58,678.89 : x
  2. Step 2: Convert to fraction form
    92,667.21/127,894.44 = 58,678.89/x
  3. Step 3: Cross multiply
    92,667.21x = 127,894.44 × 58,678.89
  4. Step 4: Simplify right side
    92,667.21x = 7,504,703,776.37
  5. Step 5: Solve for x
    x = 7,504,703,776.37/92,667.21
  6. Step 6: Final answer
    x = 80,985.54

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1.5x scale

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.