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Finding the Fourth Proportional to 173,143.50, 238,952.61 and 97,706.58

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Solution

The fourth proportional to 173,143.50, 238,952.61 and 97,706.58 is: 134,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,143.50 : 238,952.61 = 97,706.58 : x
  2. Step 2: Convert to fraction form
    173,143.50/238,952.61 = 97,706.58/x
  3. Step 3: Cross multiply
    173,143.50x = 238,952.61 × 97,706.58
  4. Step 4: Simplify right side
    173,143.50x = 23,347,242,305.17
  5. Step 5: Solve for x
    x = 23,347,242,305.17/173,143.50
  6. Step 6: Final answer
    x = 134,843.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.