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Finding the Fourth Proportional to 93,203.70, 139,854.76 and 40,617.30

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Solution

The fourth proportional to 93,203.70, 139,854.76 and 40,617.30 is: 60,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.70 : 139,854.76 = 40,617.30 : x
  2. Step 2: Convert to fraction form
    93,203.70/139,854.76 = 40,617.30/x
  3. Step 3: Cross multiply
    93,203.70x = 139,854.76 × 40,617.30
  4. Step 4: Simplify right side
    93,203.70x = 5,680,522,743.35
  5. Step 5: Solve for x
    x = 5,680,522,743.35/93,203.70
  6. Step 6: Final answer
    x = 60,947.40

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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.