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Finding the Fourth Proportional to 187,994.92, 259,478.22 and 127,666.12

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Solution

The fourth proportional to 187,994.92, 259,478.22 and 127,666.12 is: 176,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,994.92 : 259,478.22 = 127,666.12 : x
  2. Step 2: Convert to fraction form
    187,994.92/259,478.22 = 127,666.12/x
  3. Step 3: Cross multiply
    187,994.92x = 259,478.22 × 127,666.12
  4. Step 4: Simplify right side
    187,994.92x = 33,126,577,571.91
  5. Step 5: Solve for x
    x = 33,126,577,571.91/187,994.92
  6. Step 6: Final answer
    x = 176,209.96

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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.