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Finding the Fourth Proportional to 224,718.40, 337,126.20 and 74,933.20

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Solution

The fourth proportional to 224,718.40, 337,126.20 and 74,933.20 is: 112,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,718.40 : 337,126.20 = 74,933.20 : x
  2. Step 2: Convert to fraction form
    224,718.40/337,126.20 = 74,933.20/x
  3. Step 3: Cross multiply
    224,718.40x = 337,126.20 × 74,933.20
  4. Step 4: Simplify right side
    224,718.40x = 25,261,944,969.84
  5. Step 5: Solve for x
    x = 25,261,944,969.84/224,718.40
  6. Step 6: Final answer
    x = 112,416.01

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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.