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Finding the Fourth Proportional to 243,168.60, 364,580.10 and 110,112.60

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Solution

The fourth proportional to 243,168.60, 364,580.10 and 110,112.60 is: 165,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,168.60 : 364,580.10 = 110,112.60 : x
  2. Step 2: Convert to fraction form
    243,168.60/364,580.10 = 110,112.60/x
  3. Step 3: Cross multiply
    243,168.60x = 364,580.10 × 110,112.60
  4. Step 4: Simplify right side
    243,168.60x = 40,144,862,719.26
  5. Step 5: Solve for x
    x = 40,144,862,719.26/243,168.60
  6. Step 6: Final answer
    x = 165,090.65

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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.