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Finding the Fourth Proportional to 224,364.02, 309,617.40 and 123,762.02

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Solution

The fourth proportional to 224,364.02, 309,617.40 and 123,762.02 is: 170,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,364.02 : 309,617.40 = 123,762.02 : x
  2. Step 2: Convert to fraction form
    224,364.02/309,617.40 = 123,762.02/x
  3. Step 3: Cross multiply
    224,364.02x = 309,617.40 × 123,762.02
  4. Step 4: Simplify right side
    224,364.02x = 38,318,874,851.15
  5. Step 5: Solve for x
    x = 38,318,874,851.15/224,364.02
  6. Step 6: Final answer
    x = 170,788.86

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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.