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Finding the Fourth Proportional to 133,394.84, 200,071.29 and 43,440.80

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Solution

The fourth proportional to 133,394.84, 200,071.29 and 43,440.80 is: 65,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,394.84 : 200,071.29 = 43,440.80 : x
  2. Step 2: Convert to fraction form
    133,394.84/200,071.29 = 43,440.80/x
  3. Step 3: Cross multiply
    133,394.84x = 200,071.29 × 43,440.80
  4. Step 4: Simplify right side
    133,394.84x = 8,691,255,894.28
  5. Step 5: Solve for x
    x = 8,691,255,894.28/133,394.84
  6. Step 6: Final answer
    x = 65,154.37

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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.