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Finding the Fourth Proportional to 185,492.75, 255,980.02 and 104,918.54

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Solution

The fourth proportional to 185,492.75, 255,980.02 and 104,918.54 is: 144,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,492.75 : 255,980.02 = 104,918.54 : x
  2. Step 2: Convert to fraction form
    185,492.75/255,980.02 = 104,918.54/x
  3. Step 3: Cross multiply
    185,492.75x = 255,980.02 × 104,918.54
  4. Step 4: Simplify right side
    185,492.75x = 26,857,049,967.57
  5. Step 5: Solve for x
    x = 26,857,049,967.57/185,492.75
  6. Step 6: Final answer
    x = 144,787.60

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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.