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Finding the Fourth Proportional to 248,368.68, 372,590.28 and 115,262.60

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Solution

The fourth proportional to 248,368.68, 372,590.28 and 115,262.60 is: 172,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,368.68 : 372,590.28 = 115,262.60 : x
  2. Step 2: Convert to fraction form
    248,368.68/372,590.28 = 115,262.60/x
  3. Step 3: Cross multiply
    248,368.68x = 372,590.28 × 115,262.60
  4. Step 4: Simplify right side
    248,368.68x = 42,945,722,544.58
  5. Step 5: Solve for x
    x = 42,945,722,544.58/248,368.68
  6. Step 6: Final answer
    x = 172,911.18

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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.