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Finding the Fourth Proportional to 269,509.66, 371,925.09 and 148,654.22

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Solution

The fourth proportional to 269,509.66, 371,925.09 and 148,654.22 is: 205,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,509.66 : 371,925.09 = 148,654.22 : x
  2. Step 2: Convert to fraction form
    269,509.66/371,925.09 = 148,654.22/x
  3. Step 3: Cross multiply
    269,509.66x = 371,925.09 × 148,654.22
  4. Step 4: Simplify right side
    269,509.66x = 55,288,232,292.75
  5. Step 5: Solve for x
    x = 55,288,232,292.75/269,509.66
  6. Step 6: Final answer
    x = 205,143.79

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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.