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Finding the Fourth Proportional to 233,630.39, 322,409.72 and 126,200.39

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Solution

The fourth proportional to 233,630.39, 322,409.72 and 126,200.39 is: 174,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,630.39 : 322,409.72 = 126,200.39 : x
  2. Step 2: Convert to fraction form
    233,630.39/322,409.72 = 126,200.39/x
  3. Step 3: Cross multiply
    233,630.39x = 322,409.72 × 126,200.39
  4. Step 4: Simplify right side
    233,630.39x = 40,688,231,107.24
  5. Step 5: Solve for x
    x = 40,688,231,107.24/233,630.39
  6. Step 6: Final answer
    x = 174,156.41

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1.5x scale

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.