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Finding the Fourth Proportional to 93,004.40, 139,247.40 and 83,673.20

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Solution

The fourth proportional to 93,004.40, 139,247.40 and 83,673.20 is: 125,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,004.40 : 139,247.40 = 83,673.20 : x
  2. Step 2: Convert to fraction form
    93,004.40/139,247.40 = 83,673.20/x
  3. Step 3: Cross multiply
    93,004.40x = 139,247.40 × 83,673.20
  4. Step 4: Simplify right side
    93,004.40x = 11,651,275,549.68
  5. Step 5: Solve for x
    x = 11,651,275,549.68/93,004.40
  6. Step 6: Final answer
    x = 125,276.61

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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.