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Finding the Fourth Proportional to 224,026.12, 309,155.88 and 123,424.12

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Solution

The fourth proportional to 224,026.12, 309,155.88 and 123,424.12 is: 170,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,026.12 : 309,155.88 = 123,424.12 : x
  2. Step 2: Convert to fraction form
    224,026.12/309,155.88 = 123,424.12/x
  3. Step 3: Cross multiply
    224,026.12x = 309,155.88 × 123,424.12
  4. Step 4: Simplify right side
    224,026.12x = 38,157,292,431.83
  5. Step 5: Solve for x
    x = 38,157,292,431.83/224,026.12
  6. Step 6: Final answer
    x = 170,325.19

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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.