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Finding the Fourth Proportional to 173,448, 239,359.68 and 93,960

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Solution

The fourth proportional to 173,448, 239,359.68 and 93,960 is: 129,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,448 : 239,359.68 = 93,960 : x
  2. Step 2: Convert to fraction form
    173,448/239,359.68 = 93,960/x
  3. Step 3: Cross multiply
    173,448x = 239,359.68 × 93,960
  4. Step 4: Simplify right side
    173,448x = 22,490,235,532.80
  5. Step 5: Solve for x
    x = 22,490,235,532.80/173,448
  6. Step 6: Final answer
    x = 129,665.58

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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.