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Finding the Fourth Proportional to 178,424.30, 267,622.54 and 66,051.65

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Solution

The fourth proportional to 178,424.30, 267,622.54 and 66,051.65 is: 99,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,424.30 : 267,622.54 = 66,051.65 : x
  2. Step 2: Convert to fraction form
    178,424.30/267,622.54 = 66,051.65/x
  3. Step 3: Cross multiply
    178,424.30x = 267,622.54 × 66,051.65
  4. Step 4: Simplify right side
    178,424.30x = 17,676,910,344.19
  5. Step 5: Solve for x
    x = 17,676,910,344.19/178,424.30
  6. Step 6: Final answer
    x = 99,072.33

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1.5x scale

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.