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Finding the Fourth Proportional to 270,128.21, 404,910.74 and 101,532.38

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Solution

The fourth proportional to 270,128.21, 404,910.74 and 101,532.38 is: 152,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,128.21 : 404,910.74 = 101,532.38 : x
  2. Step 2: Convert to fraction form
    270,128.21/404,910.74 = 101,532.38/x
  3. Step 3: Cross multiply
    270,128.21x = 404,910.74 × 101,532.38
  4. Step 4: Simplify right side
    270,128.21x = 41,111,552,385.87
  5. Step 5: Solve for x
    x = 41,111,552,385.87/270,128.21
  6. Step 6: Final answer
    x = 152,192.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.