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Finding the Fourth Proportional to 162,958.34, 224,881.79 and 91,338.36

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Solution

The fourth proportional to 162,958.34, 224,881.79 and 91,338.36 is: 126,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,958.34 : 224,881.79 = 91,338.36 : x
  2. Step 2: Convert to fraction form
    162,958.34/224,881.79 = 91,338.36/x
  3. Step 3: Cross multiply
    162,958.34x = 224,881.79 × 91,338.36
  4. Step 4: Simplify right side
    162,958.34x = 20,540,333,435.77
  5. Step 5: Solve for x
    x = 20,540,333,435.77/162,958.34
  6. Step 6: Final answer
    x = 126,046.53

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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.