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Finding the Fourth Proportional to 133,605.45, 200,349.45 and 40,089.33

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Solution

The fourth proportional to 133,605.45, 200,349.45 and 40,089.33 is: 60,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,605.45 : 200,349.45 = 40,089.33 : x
  2. Step 2: Convert to fraction form
    133,605.45/200,349.45 = 40,089.33/x
  3. Step 3: Cross multiply
    133,605.45x = 200,349.45 × 40,089.33
  4. Step 4: Simplify right side
    133,605.45x = 8,031,875,216.37
  5. Step 5: Solve for x
    x = 8,031,875,216.37/133,605.45
  6. Step 6: Final answer
    x = 60,116.37

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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.