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Finding the Fourth Proportional to 240,622.48, 332,093.96 and 138,628.08

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Solution

The fourth proportional to 240,622.48, 332,093.96 and 138,628.08 is: 191,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,622.48 : 332,093.96 = 138,628.08 : x
  2. Step 2: Convert to fraction form
    240,622.48/332,093.96 = 138,628.08/x
  3. Step 3: Cross multiply
    240,622.48x = 332,093.96 × 138,628.08
  4. Step 4: Simplify right side
    240,622.48x = 46,037,548,054.40
  5. Step 5: Solve for x
    x = 46,037,548,054.40/240,622.48
  6. Step 6: Final answer
    x = 191,326.88

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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.