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Finding the Fourth Proportional to 243,558.60, 365,165.10 and 110,502.60

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Solution

The fourth proportional to 243,558.60, 365,165.10 and 110,502.60 is: 165,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,558.60 : 365,165.10 = 110,502.60 : x
  2. Step 2: Convert to fraction form
    243,558.60/365,165.10 = 110,502.60/x
  3. Step 3: Cross multiply
    243,558.60x = 365,165.10 × 110,502.60
  4. Step 4: Simplify right side
    243,558.60x = 40,351,692,979.26
  5. Step 5: Solve for x
    x = 40,351,692,979.26/243,558.60
  6. Step 6: Final answer
    x = 165,675.50

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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.