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Finding the Fourth Proportional to 133,337.20, 200,005.80 and 83,473.60

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Solution

The fourth proportional to 133,337.20, 200,005.80 and 83,473.60 is: 125,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,337.20 : 200,005.80 = 83,473.60 : x
  2. Step 2: Convert to fraction form
    133,337.20/200,005.80 = 83,473.60/x
  3. Step 3: Cross multiply
    133,337.20x = 200,005.80 × 83,473.60
  4. Step 4: Simplify right side
    133,337.20x = 16,695,204,146.88
  5. Step 5: Solve for x
    x = 16,695,204,146.88/133,337.20
  6. Step 6: Final answer
    x = 125,210.40

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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.