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Finding the Fourth Proportional to 201,045.69, 277,446.23 and 109,164.92

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Solution

The fourth proportional to 201,045.69, 277,446.23 and 109,164.92 is: 150,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,045.69 : 277,446.23 = 109,164.92 : x
  2. Step 2: Convert to fraction form
    201,045.69/277,446.23 = 109,164.92/x
  3. Step 3: Cross multiply
    201,045.69x = 277,446.23 × 109,164.92
  4. Step 4: Simplify right side
    201,045.69x = 30,287,395,502.25
  5. Step 5: Solve for x
    x = 30,287,395,502.25/201,045.69
  6. Step 6: Final answer
    x = 150,649.32

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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.