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Finding the Fourth Proportional to 118,667.19, 178,000.92 and 43,754.88

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Solution

The fourth proportional to 118,667.19, 178,000.92 and 43,754.88 is: 65,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,667.19 : 178,000.92 = 43,754.88 : x
  2. Step 2: Convert to fraction form
    118,667.19/178,000.92 = 43,754.88/x
  3. Step 3: Cross multiply
    118,667.19x = 178,000.92 × 43,754.88
  4. Step 4: Simplify right side
    118,667.19x = 7,788,408,894.49
  5. Step 5: Solve for x
    x = 7,788,408,894.49/118,667.19
  6. Step 6: Final answer
    x = 65,632.37

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1.5x scale

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.