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Finding the Fourth Proportional to 162,850.89, 243,915.42 and 125,133.33

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Solution

The fourth proportional to 162,850.89, 243,915.42 and 125,133.33 is: 187,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,850.89 : 243,915.42 = 125,133.33 : x
  2. Step 2: Convert to fraction form
    162,850.89/243,915.42 = 125,133.33/x
  3. Step 3: Cross multiply
    162,850.89x = 243,915.42 × 125,133.33
  4. Step 4: Simplify right side
    162,850.89x = 30,521,948,742.95
  5. Step 5: Solve for x
    x = 30,521,948,742.95/162,850.89
  6. Step 6: Final answer
    x = 187,422.67

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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.