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Finding the Fourth Proportional to 224,716.40, 337,123.20 and 74,931.20

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Solution

The fourth proportional to 224,716.40, 337,123.20 and 74,931.20 is: 112,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,716.40 : 337,123.20 = 74,931.20 : x
  2. Step 2: Convert to fraction form
    224,716.40/337,123.20 = 74,931.20/x
  3. Step 3: Cross multiply
    224,716.40x = 337,123.20 × 74,931.20
  4. Step 4: Simplify right side
    224,716.40x = 25,261,045,923.84
  5. Step 5: Solve for x
    x = 25,261,045,923.84/224,716.40
  6. Step 6: Final answer
    x = 112,413.01

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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.