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Finding the Fourth Proportional to 173,000.92, 238,702.54 and 130,083.79

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Solution

The fourth proportional to 173,000.92, 238,702.54 and 130,083.79 is: 179,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,000.92 : 238,702.54 = 130,083.79 : x
  2. Step 2: Convert to fraction form
    173,000.92/238,702.54 = 130,083.79/x
  3. Step 3: Cross multiply
    173,000.92x = 238,702.54 × 130,083.79
  4. Step 4: Simplify right side
    173,000.92x = 31,051,331,085.83
  5. Step 5: Solve for x
    x = 31,051,331,085.83/173,000.92
  6. Step 6: Final answer
    x = 179,486.51

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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.