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Finding the Fourth Proportional to 167,302.40, 230,775.86 and 99,274.54

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Solution

The fourth proportional to 167,302.40, 230,775.86 and 99,274.54 is: 136,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,302.40 : 230,775.86 = 99,274.54 : x
  2. Step 2: Convert to fraction form
    167,302.40/230,775.86 = 99,274.54/x
  3. Step 3: Cross multiply
    167,302.40x = 230,775.86 × 99,274.54
  4. Step 4: Simplify right side
    167,302.40x = 22,910,167,344.60
  5. Step 5: Solve for x
    x = 22,910,167,344.60/167,302.40
  6. Step 6: Final answer
    x = 136,938.67

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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.