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Finding the Fourth Proportional to 178,604.53, 267,953.48 and 103,652.63

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Solution

The fourth proportional to 178,604.53, 267,953.48 and 103,652.63 is: 155,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,604.53 : 267,953.48 = 103,652.63 : x
  2. Step 2: Convert to fraction form
    178,604.53/267,953.48 = 103,652.63/x
  3. Step 3: Cross multiply
    178,604.53x = 267,953.48 × 103,652.63
  4. Step 4: Simplify right side
    178,604.53x = 27,774,081,579.89
  5. Step 5: Solve for x
    x = 27,774,081,579.89/178,604.53
  6. Step 6: Final answer
    x = 155,506.03

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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.