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Finding the Fourth Proportional to 173,117.85, 238,914.65 and 96,651.98

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Solution

The fourth proportional to 173,117.85, 238,914.65 and 96,651.98 is: 133,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,117.85 : 238,914.65 = 96,651.98 : x
  2. Step 2: Convert to fraction form
    173,117.85/238,914.65 = 96,651.98/x
  3. Step 3: Cross multiply
    173,117.85x = 238,914.65 × 96,651.98
  4. Step 4: Simplify right side
    173,117.85x = 23,091,573,490.25
  5. Step 5: Solve for x
    x = 23,091,573,490.25/173,117.85
  6. Step 6: Final answer
    x = 133,386.44

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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.