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Finding the Fourth Proportional to 240,601.47, 332,037.86 and 138,618.92

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Solution

The fourth proportional to 240,601.47, 332,037.86 and 138,618.92 is: 191,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,601.47 : 332,037.86 = 138,618.92 : x
  2. Step 2: Convert to fraction form
    240,601.47/332,037.86 = 138,618.92/x
  3. Step 3: Cross multiply
    240,601.47x = 332,037.86 × 138,618.92
  4. Step 4: Simplify right side
    240,601.47x = 46,026,728,859.22
  5. Step 5: Solve for x
    x = 46,026,728,859.22/240,601.47
  6. Step 6: Final answer
    x = 191,298.62

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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.