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Finding the Fourth Proportional to 248,815.80, 373,150.80 and 115,663.95

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Solution

The fourth proportional to 248,815.80, 373,150.80 and 115,663.95 is: 173,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,815.80 : 373,150.80 = 115,663.95 : x
  2. Step 2: Convert to fraction form
    248,815.80/373,150.80 = 115,663.95/x
  3. Step 3: Cross multiply
    248,815.80x = 373,150.80 × 115,663.95
  4. Step 4: Simplify right side
    248,815.80x = 43,160,095,473.66
  5. Step 5: Solve for x
    x = 43,160,095,473.66/248,815.80
  6. Step 6: Final answer
    x = 173,462.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.