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Finding the Fourth Proportional to 201,328.38, 277,810.59 and 120,759.18

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Solution

The fourth proportional to 201,328.38, 277,810.59 and 120,759.18 is: 166,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,328.38 : 277,810.59 = 120,759.18 : x
  2. Step 2: Convert to fraction form
    201,328.38/277,810.59 = 120,759.18/x
  3. Step 3: Cross multiply
    201,328.38x = 277,810.59 × 120,759.18
  4. Step 4: Simplify right side
    201,328.38x = 33,548,179,043.72
  5. Step 5: Solve for x
    x = 33,548,179,043.72/201,328.38
  6. Step 6: Final answer
    x = 166,634.13

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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.