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Finding the Fourth Proportional to 270,648.58, 373,492.28 and 149,790.10

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Solution

The fourth proportional to 270,648.58, 373,492.28 and 149,790.10 is: 206,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,648.58 : 373,492.28 = 149,790.10 : x
  2. Step 2: Convert to fraction form
    270,648.58/373,492.28 = 149,790.10/x
  3. Step 3: Cross multiply
    270,648.58x = 373,492.28 × 149,790.10
  4. Step 4: Simplify right side
    270,648.58x = 55,945,445,970.43
  5. Step 5: Solve for x
    x = 55,945,445,970.43/270,648.58
  6. Step 6: Final answer
    x = 206,708.81

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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.