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Finding the Fourth Proportional to 93,850.85, 140,423.10 and 65,825.60

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Solution

The fourth proportional to 93,850.85, 140,423.10 and 65,825.60 is: 98,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,850.85 : 140,423.10 = 65,825.60 : x
  2. Step 2: Convert to fraction form
    93,850.85/140,423.10 = 65,825.60/x
  3. Step 3: Cross multiply
    93,850.85x = 140,423.10 × 65,825.60
  4. Step 4: Simplify right side
    93,850.85x = 9,243,434,109.24
  5. Step 5: Solve for x
    x = 9,243,434,109.24/93,850.85
  6. Step 6: Final answer
    x = 98,490.69

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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.