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Finding the Fourth Proportional to 178,523.82, 267,784.57 and 45,402.93

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Solution

The fourth proportional to 178,523.82, 267,784.57 and 45,402.93 is: 68,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,523.82 : 267,784.57 = 45,402.93 : x
  2. Step 2: Convert to fraction form
    178,523.82/267,784.57 = 45,402.93/x
  3. Step 3: Cross multiply
    178,523.82x = 267,784.57 × 45,402.93
  4. Step 4: Simplify right side
    178,523.82x = 12,158,203,518.10
  5. Step 5: Solve for x
    x = 12,158,203,518.10/178,523.82
  6. Step 6: Final answer
    x = 68,104.10

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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.