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Finding the Fourth Proportional to 247,028.92, 340,901.10 and 133,851.64

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Solution

The fourth proportional to 247,028.92, 340,901.10 and 133,851.64 is: 184,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,028.92 : 340,901.10 = 133,851.64 : x
  2. Step 2: Convert to fraction form
    247,028.92/340,901.10 = 133,851.64/x
  3. Step 3: Cross multiply
    247,028.92x = 340,901.10 × 133,851.64
  4. Step 4: Simplify right side
    247,028.92x = 45,630,171,312.80
  5. Step 5: Solve for x
    x = 45,630,171,312.80/247,028.92
  6. Step 6: Final answer
    x = 184,715.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.