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Finding the Fourth Proportional to 133,881.80, 200,829.36 and 43,916.51

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Solution

The fourth proportional to 133,881.80, 200,829.36 and 43,916.51 is: 65,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,881.80 : 200,829.36 = 43,916.51 : x
  2. Step 2: Convert to fraction form
    133,881.80/200,829.36 = 43,916.51/x
  3. Step 3: Cross multiply
    133,881.80x = 200,829.36 × 43,916.51
  4. Step 4: Simplify right side
    133,881.80x = 8,819,725,263.49
  5. Step 5: Solve for x
    x = 8,819,725,263.49/133,881.80
  6. Step 6: Final answer
    x = 65,876.96

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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.