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Finding the Fourth Proportional to 183,853.82, 253,729.11 and 138,451.70

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Solution

The fourth proportional to 183,853.82, 253,729.11 and 138,451.70 is: 191,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,853.82 : 253,729.11 = 138,451.70 : x
  2. Step 2: Convert to fraction form
    183,853.82/253,729.11 = 138,451.70/x
  3. Step 3: Cross multiply
    183,853.82x = 253,729.11 × 138,451.70
  4. Step 4: Simplify right side
    183,853.82x = 35,129,225,350.34
  5. Step 5: Solve for x
    x = 35,129,225,350.34/183,853.82
  6. Step 6: Final answer
    x = 191,071.51

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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.