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Finding the Fourth Proportional to 173,139.75, 238,947.44 and 97,702.83

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Solution

The fourth proportional to 173,139.75, 238,947.44 and 97,702.83 is: 134,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.75 : 238,947.44 = 97,702.83 : x
  2. Step 2: Convert to fraction form
    173,139.75/238,947.44 = 97,702.83/x
  3. Step 3: Cross multiply
    173,139.75x = 238,947.44 × 97,702.83
  4. Step 4: Simplify right side
    173,139.75x = 23,345,840,620.74
  5. Step 5: Solve for x
    x = 23,345,840,620.74/173,139.75
  6. Step 6: Final answer
    x = 134,838.13

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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.