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Finding the Fourth Proportional to 167,901.67, 251,852.55 and 55,551.70

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Solution

The fourth proportional to 167,901.67, 251,852.55 and 55,551.70 is: 83,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,901.67 : 251,852.55 = 55,551.70 : x
  2. Step 2: Convert to fraction form
    167,901.67/251,852.55 = 55,551.70/x
  3. Step 3: Cross multiply
    167,901.67x = 251,852.55 × 55,551.70
  4. Step 4: Simplify right side
    167,901.67x = 13,990,837,301.84
  5. Step 5: Solve for x
    x = 13,990,837,301.84/167,901.67
  6. Step 6: Final answer
    x = 83,327.56

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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.