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Finding the Fourth Proportional to 178,169.64, 267,263.64 and 45,051.06

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Solution

The fourth proportional to 178,169.64, 267,263.64 and 45,051.06 is: 67,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,169.64 : 267,263.64 = 45,051.06 : x
  2. Step 2: Convert to fraction form
    178,169.64/267,263.64 = 45,051.06/x
  3. Step 3: Cross multiply
    178,169.64x = 267,263.64 × 45,051.06
  4. Step 4: Simplify right side
    178,169.64x = 12,040,510,281.46
  5. Step 5: Solve for x
    x = 12,040,510,281.46/178,169.64
  6. Step 6: Final answer
    x = 67,578.91

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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.