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Finding the Fourth Proportional to 270,405.16, 373,156.93 and 149,551.54

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Solution

The fourth proportional to 270,405.16, 373,156.93 and 149,551.54 is: 206,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,405.16 : 373,156.93 = 149,551.54 : x
  2. Step 2: Convert to fraction form
    270,405.16/373,156.93 = 149,551.54/x
  3. Step 3: Cross multiply
    270,405.16x = 373,156.93 × 149,551.54
  4. Step 4: Simplify right side
    270,405.16x = 55,806,193,543.17
  5. Step 5: Solve for x
    x = 55,806,193,543.17/270,405.16
  6. Step 6: Final answer
    x = 206,379.91

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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.