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Finding the Fourth Proportional to 108,152.89, 162,248.02 and 48,202.67

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Solution

The fourth proportional to 108,152.89, 162,248.02 and 48,202.67 is: 72,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,152.89 : 162,248.02 = 48,202.67 : x
  2. Step 2: Convert to fraction form
    108,152.89/162,248.02 = 48,202.67/x
  3. Step 3: Cross multiply
    108,152.89x = 162,248.02 × 48,202.67
  4. Step 4: Simplify right side
    108,152.89x = 7,820,787,766.21
  5. Step 5: Solve for x
    x = 7,820,787,766.21/108,152.89
  6. Step 6: Final answer
    x = 72,312.33

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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.