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Finding the Fourth Proportional to 174,611.54, 240,965.61 and 99,160.58

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Solution

The fourth proportional to 174,611.54, 240,965.61 and 99,160.58 is: 136,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,611.54 : 240,965.61 = 99,160.58 : x
  2. Step 2: Convert to fraction form
    174,611.54/240,965.61 = 99,160.58/x
  3. Step 3: Cross multiply
    174,611.54x = 240,965.61 × 99,160.58
  4. Step 4: Simplify right side
    174,611.54x = 23,894,289,647.65
  5. Step 5: Solve for x
    x = 23,894,289,647.65/174,611.54
  6. Step 6: Final answer
    x = 136,842.56

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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.