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Finding the Fourth Proportional to 173,806.50, 239,853 and 94,318.50

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Solution

The fourth proportional to 173,806.50, 239,853 and 94,318.50 is: 130,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,806.50 : 239,853 = 94,318.50 : x
  2. Step 2: Convert to fraction form
    173,806.50/239,853 = 94,318.50/x
  3. Step 3: Cross multiply
    173,806.50x = 239,853 × 94,318.50
  4. Step 4: Simplify right side
    173,806.50x = 22,622,575,180.50
  5. Step 5: Solve for x
    x = 22,622,575,180.50/173,806.50
  6. Step 6: Final answer
    x = 130,159.55

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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.