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Finding the Fourth Proportional to 248,095.04, 372,142.52 and 72,991.04

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Solution

The fourth proportional to 248,095.04, 372,142.52 and 72,991.04 is: 109,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,095.04 : 372,142.52 = 72,991.04 : x
  2. Step 2: Convert to fraction form
    248,095.04/372,142.52 = 72,991.04/x
  3. Step 3: Cross multiply
    248,095.04x = 372,142.52 × 72,991.04
  4. Step 4: Simplify right side
    248,095.04x = 27,163,069,563.02
  5. Step 5: Solve for x
    x = 27,163,069,563.02/248,095.04
  6. Step 6: Final answer
    x = 109,486.55

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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.