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Finding the Fourth Proportional to 164,857.86, 247,106.39 and 84,900.67

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Solution

The fourth proportional to 164,857.86, 247,106.39 and 84,900.67 is: 127,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,857.86 : 247,106.39 = 84,900.67 : x
  2. Step 2: Convert to fraction form
    164,857.86/247,106.39 = 84,900.67/x
  3. Step 3: Cross multiply
    164,857.86x = 247,106.39 × 84,900.67
  4. Step 4: Simplify right side
    164,857.86x = 20,979,498,072.28
  5. Step 5: Solve for x
    x = 20,979,498,072.28/164,857.86
  6. Step 6: Final answer
    x = 127,258.10

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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.