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Finding the Fourth Proportional to 248,580.48, 372,788.64 and 98,857.92

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Solution

The fourth proportional to 248,580.48, 372,788.64 and 98,857.92 is: 148,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,580.48 : 372,788.64 = 98,857.92 : x
  2. Step 2: Convert to fraction form
    248,580.48/372,788.64 = 98,857.92/x
  3. Step 3: Cross multiply
    248,580.48x = 372,788.64 × 98,857.92
  4. Step 4: Simplify right side
    248,580.48x = 36,853,109,550.03
  5. Step 5: Solve for x
    x = 36,853,109,550.03/248,580.48
  6. Step 6: Final answer
    x = 148,254.24

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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.