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Finding the Fourth Proportional to 269,760.30, 372,269.25 and 148,901.64

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Solution

The fourth proportional to 269,760.30, 372,269.25 and 148,901.64 is: 205,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,760.30 : 372,269.25 = 148,901.64 : x
  2. Step 2: Convert to fraction form
    269,760.30/372,269.25 = 148,901.64/x
  3. Step 3: Cross multiply
    269,760.30x = 372,269.25 × 148,901.64
  4. Step 4: Simplify right side
    269,760.30x = 55,431,499,985.22
  5. Step 5: Solve for x
    x = 55,431,499,985.22/269,760.30
  6. Step 6: Final answer
    x = 205,484.28

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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.