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Finding the Fourth Proportional to 167,498.50, 251,362.95 and 69,002.50

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Solution

The fourth proportional to 167,498.50, 251,362.95 and 69,002.50 is: 103,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,498.50 : 251,362.95 = 69,002.50 : x
  2. Step 2: Convert to fraction form
    167,498.50/251,362.95 = 69,002.50/x
  3. Step 3: Cross multiply
    167,498.50x = 251,362.95 × 69,002.50
  4. Step 4: Simplify right side
    167,498.50x = 17,344,671,957.38
  5. Step 5: Solve for x
    x = 17,344,671,957.38/167,498.50
  6. Step 6: Final answer
    x = 103,551.21

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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.