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Finding the Fourth Proportional to 170,441.94, 235,211.54 and 93,964.03

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Solution

The fourth proportional to 170,441.94, 235,211.54 and 93,964.03 is: 129,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,441.94 : 235,211.54 = 93,964.03 : x
  2. Step 2: Convert to fraction form
    170,441.94/235,211.54 = 93,964.03/x
  3. Step 3: Cross multiply
    170,441.94x = 235,211.54 × 93,964.03
  4. Step 4: Simplify right side
    170,441.94x = 22,101,424,200.91
  5. Step 5: Solve for x
    x = 22,101,424,200.91/170,441.94
  6. Step 6: Final answer
    x = 129,671.28

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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.