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Finding the Fourth Proportional to 183,905.92, 253,813.62 and 112,270.60

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Solution

The fourth proportional to 183,905.92, 253,813.62 and 112,270.60 is: 154,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,905.92 : 253,813.62 = 112,270.60 : x
  2. Step 2: Convert to fraction form
    183,905.92/253,813.62 = 112,270.60/x
  3. Step 3: Cross multiply
    183,905.92x = 253,813.62 × 112,270.60
  4. Step 4: Simplify right side
    183,905.92x = 28,495,807,405.57
  5. Step 5: Solve for x
    x = 28,495,807,405.57/183,905.92
  6. Step 6: Final answer
    x = 154,947.74

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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.