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Finding the Fourth Proportional to 98,433.80, 147,650.70 and 97,850.60

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Solution

The fourth proportional to 98,433.80, 147,650.70 and 97,850.60 is: 146,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,433.80 : 147,650.70 = 97,850.60 : x
  2. Step 2: Convert to fraction form
    98,433.80/147,650.70 = 97,850.60/x
  3. Step 3: Cross multiply
    98,433.80x = 147,650.70 × 97,850.60
  4. Step 4: Simplify right side
    98,433.80x = 14,447,709,585.42
  5. Step 5: Solve for x
    x = 14,447,709,585.42/98,433.80
  6. Step 6: Final answer
    x = 146,775.90

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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.