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Finding the Fourth Proportional to 133,701.40, 200,552.10 and 107,457.40

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Solution

The fourth proportional to 133,701.40, 200,552.10 and 107,457.40 is: 161,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,701.40 : 200,552.10 = 107,457.40 : x
  2. Step 2: Convert to fraction form
    133,701.40/200,552.10 = 107,457.40/x
  3. Step 3: Cross multiply
    133,701.40x = 200,552.10 × 107,457.40
  4. Step 4: Simplify right side
    133,701.40x = 21,550,807,230.54
  5. Step 5: Solve for x
    x = 21,550,807,230.54/133,701.40
  6. Step 6: Final answer
    x = 161,186.10

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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.