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Finding the Fourth Proportional to 133,990.08, 200,809.08 and 74,853.60

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Solution

The fourth proportional to 133,990.08, 200,809.08 and 74,853.60 is: 112,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,990.08 : 200,809.08 = 74,853.60 : x
  2. Step 2: Convert to fraction form
    133,990.08/200,809.08 = 74,853.60/x
  3. Step 3: Cross multiply
    133,990.08x = 200,809.08 × 74,853.60
  4. Step 4: Simplify right side
    133,990.08x = 15,031,282,550.69
  5. Step 5: Solve for x
    x = 15,031,282,550.69/133,990.08
  6. Step 6: Final answer
    x = 112,182.06

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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.