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Finding the Fourth Proportional to 133,749.80, 200,624.70 and 59,877.80

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Solution

The fourth proportional to 133,749.80, 200,624.70 and 59,877.80 is: 89,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,749.80 : 200,624.70 = 59,877.80 : x
  2. Step 2: Convert to fraction form
    133,749.80/200,624.70 = 59,877.80/x
  3. Step 3: Cross multiply
    133,749.80x = 200,624.70 × 59,877.80
  4. Step 4: Simplify right side
    133,749.80x = 12,012,965,661.66
  5. Step 5: Solve for x
    x = 12,012,965,661.66/133,749.80
  6. Step 6: Final answer
    x = 89,816.70

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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.