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Finding the Fourth Proportional to 116,667.44, 160,945.04 and 76,363.44

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Solution

The fourth proportional to 116,667.44, 160,945.04 and 76,363.44 is: 105,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,667.44 : 160,945.04 = 76,363.44 : x
  2. Step 2: Convert to fraction form
    116,667.44/160,945.04 = 76,363.44/x
  3. Step 3: Cross multiply
    116,667.44x = 160,945.04 × 76,363.44
  4. Step 4: Simplify right side
    116,667.44x = 12,290,316,905.34
  5. Step 5: Solve for x
    x = 12,290,316,905.34/116,667.44
  6. Step 6: Final answer
    x = 105,344.88

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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.