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Finding the Fourth Proportional to 269,774.55, 372,290.18 and 148,913.64

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Solution

The fourth proportional to 269,774.55, 372,290.18 and 148,913.64 is: 205,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.55 : 372,290.18 = 148,913.64 : x
  2. Step 2: Convert to fraction form
    269,774.55/372,290.18 = 148,913.64/x
  3. Step 3: Cross multiply
    269,774.55x = 372,290.18 × 148,913.64
  4. Step 4: Simplify right side
    269,774.55x = 55,439,085,095.49
  5. Step 5: Solve for x
    x = 55,439,085,095.49/269,774.55
  6. Step 6: Final answer
    x = 205,501.54

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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.