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Finding the Fourth Proportional to 173,060.25, 238,931.25 and 132,696.42

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Solution

The fourth proportional to 173,060.25, 238,931.25 and 132,696.42 is: 183,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,060.25 : 238,931.25 = 132,696.42 : x
  2. Step 2: Convert to fraction form
    173,060.25/238,931.25 = 132,696.42/x
  3. Step 3: Cross multiply
    173,060.25x = 238,931.25 × 132,696.42
  4. Step 4: Simplify right side
    173,060.25x = 31,705,321,501.13
  5. Step 5: Solve for x
    x = 31,705,321,501.13/173,060.25
  6. Step 6: Final answer
    x = 183,203.95

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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.