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Finding the Fourth Proportional to 178,133.78, 267,175.95 and 45,005.84

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Solution

The fourth proportional to 178,133.78, 267,175.95 and 45,005.84 is: 67,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,133.78 : 267,175.95 = 45,005.84 : x
  2. Step 2: Convert to fraction form
    178,133.78/267,175.95 = 45,005.84/x
  3. Step 3: Cross multiply
    178,133.78x = 267,175.95 × 45,005.84
  4. Step 4: Simplify right side
    178,133.78x = 12,024,478,057.55
  5. Step 5: Solve for x
    x = 12,024,478,057.55/178,133.78
  6. Step 6: Final answer
    x = 67,502.51

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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.