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Finding the Fourth Proportional to 269,611.62, 372,046.76 and 148,752.89

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Solution

The fourth proportional to 269,611.62, 372,046.76 and 148,752.89 is: 205,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,611.62 : 372,046.76 = 148,752.89 : x
  2. Step 2: Convert to fraction form
    269,611.62/372,046.76 = 148,752.89/x
  3. Step 3: Cross multiply
    269,611.62x = 372,046.76 × 148,752.89
  4. Step 4: Simplify right side
    269,611.62x = 55,343,030,021.37
  5. Step 5: Solve for x
    x = 55,343,030,021.37/269,611.62
  6. Step 6: Final answer
    x = 205,269.46

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1.5x scale

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.