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Finding the Fourth Proportional to 224,028.86, 309,159.65 and 123,426.86

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Solution

The fourth proportional to 224,028.86, 309,159.65 and 123,426.86 is: 170,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,028.86 : 309,159.65 = 123,426.86 : x
  2. Step 2: Convert to fraction form
    224,028.86/309,159.65 = 123,426.86/x
  3. Step 3: Cross multiply
    224,028.86x = 309,159.65 × 123,426.86
  4. Step 4: Simplify right side
    224,028.86x = 38,158,603,600.97
  5. Step 5: Solve for x
    x = 38,158,603,600.97/224,028.86
  6. Step 6: Final answer
    x = 170,328.97

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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.