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Finding the Fourth Proportional to 229,887.50, 317,236.68 and 126,512.01

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Solution

The fourth proportional to 229,887.50, 317,236.68 and 126,512.01 is: 174,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,887.50 : 317,236.68 = 126,512.01 : x
  2. Step 2: Convert to fraction form
    229,887.50/317,236.68 = 126,512.01/x
  3. Step 3: Cross multiply
    229,887.50x = 317,236.68 × 126,512.01
  4. Step 4: Simplify right side
    229,887.50x = 40,134,250,032.53
  5. Step 5: Solve for x
    x = 40,134,250,032.53/229,887.50
  6. Step 6: Final answer
    x = 174,582.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.