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Finding the Fourth Proportional to 169,018.84, 233,245.20 and 91,494.28

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Solution

The fourth proportional to 169,018.84, 233,245.20 and 91,494.28 is: 126,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,018.84 : 233,245.20 = 91,494.28 : x
  2. Step 2: Convert to fraction form
    169,018.84/233,245.20 = 91,494.28/x
  3. Step 3: Cross multiply
    169,018.84x = 233,245.20 × 91,494.28
  4. Step 4: Simplify right side
    169,018.84x = 21,340,601,637.46
  5. Step 5: Solve for x
    x = 21,340,601,637.46/169,018.84
  6. Step 6: Final answer
    x = 126,261.67

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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.