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Finding the Fourth Proportional to 173,146.40, 238,943.76 and 101,568.80

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Solution

The fourth proportional to 173,146.40, 238,943.76 and 101,568.80 is: 140,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,146.40 : 238,943.76 = 101,568.80 : x
  2. Step 2: Convert to fraction form
    173,146.40/238,943.76 = 101,568.80/x
  3. Step 3: Cross multiply
    173,146.40x = 238,943.76 × 101,568.80
  4. Step 4: Simplify right side
    173,146.40x = 24,269,230,970.69
  5. Step 5: Solve for x
    x = 24,269,230,970.69/173,146.40
  6. Step 6: Final answer
    x = 140,165.96

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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.