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Finding the Fourth Proportional to 133,426.08, 200,139 and 63,267.12

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Solution

The fourth proportional to 133,426.08, 200,139 and 63,267.12 is: 94,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,426.08 : 200,139 = 63,267.12 : x
  2. Step 2: Convert to fraction form
    133,426.08/200,139 = 63,267.12/x
  3. Step 3: Cross multiply
    133,426.08x = 200,139 × 63,267.12
  4. Step 4: Simplify right side
    133,426.08x = 12,662,218,129.68
  5. Step 5: Solve for x
    x = 12,662,218,129.68/133,426.08
  6. Step 6: Final answer
    x = 94,900.62

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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.