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Finding the Fourth Proportional to 167,382.95, 251,979.34 and 152,485.81

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Solution

The fourth proportional to 167,382.95, 251,979.34 and 152,485.81 is: 229,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,382.95 : 251,979.34 = 152,485.81 : x
  2. Step 2: Convert to fraction form
    167,382.95/251,979.34 = 152,485.81/x
  3. Step 3: Cross multiply
    167,382.95x = 251,979.34 × 152,485.81
  4. Step 4: Simplify right side
    167,382.95x = 38,423,272,503.27
  5. Step 5: Solve for x
    x = 38,423,272,503.27/167,382.95
  6. Step 6: Final answer
    x = 229,553.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.