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Finding the Fourth Proportional to 183,842.11, 253,729.74 and 112,263.43

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Solution

The fourth proportional to 183,842.11, 253,729.74 and 112,263.43 is: 154,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,842.11 : 253,729.74 = 112,263.43 : x
  2. Step 2: Convert to fraction form
    183,842.11/253,729.74 = 112,263.43/x
  3. Step 3: Cross multiply
    183,842.11x = 253,729.74 × 112,263.43
  4. Step 4: Simplify right side
    183,842.11x = 28,484,570,905.41
  5. Step 5: Solve for x
    x = 28,484,570,905.41/183,842.11
  6. Step 6: Final answer
    x = 154,940.40

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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.