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Finding the Fourth Proportional to 133,850.80, 200,545.80 and 70,577.20

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Solution

The fourth proportional to 133,850.80, 200,545.80 and 70,577.20 is: 105,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,850.80 : 200,545.80 = 70,577.20 : x
  2. Step 2: Convert to fraction form
    133,850.80/200,545.80 = 70,577.20/x
  3. Step 3: Cross multiply
    133,850.80x = 200,545.80 × 70,577.20
  4. Step 4: Simplify right side
    133,850.80x = 14,153,961,035.76
  5. Step 5: Solve for x
    x = 14,153,961,035.76/133,850.80
  6. Step 6: Final answer
    x = 105,744.31

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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.