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Finding the Fourth Proportional to 93,200.40, 139,800.60 and 26,642.70

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Solution

The fourth proportional to 93,200.40, 139,800.60 and 26,642.70 is: 39,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.40 : 139,800.60 = 26,642.70 : x
  2. Step 2: Convert to fraction form
    93,200.40/139,800.60 = 26,642.70/x
  3. Step 3: Cross multiply
    93,200.40x = 139,800.60 × 26,642.70
  4. Step 4: Simplify right side
    93,200.40x = 3,724,665,445.62
  5. Step 5: Solve for x
    x = 3,724,665,445.62/93,200.40
  6. Step 6: Final answer
    x = 39,964.05

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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.