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Finding the Fourth Proportional to 185,522.58, 256,021.20 and 104,948.46

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Solution

The fourth proportional to 185,522.58, 256,021.20 and 104,948.46 is: 144,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,522.58 : 256,021.20 = 104,948.46 : x
  2. Step 2: Convert to fraction form
    185,522.58/256,021.20 = 104,948.46/x
  3. Step 3: Cross multiply
    185,522.58x = 256,021.20 × 104,948.46
  4. Step 4: Simplify right side
    185,522.58x = 26,869,030,667.35
  5. Step 5: Solve for x
    x = 26,869,030,667.35/185,522.58
  6. Step 6: Final answer
    x = 144,828.90

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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.