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Finding the Fourth Proportional to 242,914.80, 365,149.80 and 173,276.40

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Solution

The fourth proportional to 242,914.80, 365,149.80 and 173,276.40 is: 260,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,914.80 : 365,149.80 = 173,276.40 : x
  2. Step 2: Convert to fraction form
    242,914.80/365,149.80 = 173,276.40/x
  3. Step 3: Cross multiply
    242,914.80x = 365,149.80 × 173,276.40
  4. Step 4: Simplify right side
    242,914.80x = 63,271,842,804.72
  5. Step 5: Solve for x
    x = 63,271,842,804.72/242,914.80
  6. Step 6: Final answer
    x = 260,469.28

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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.