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Finding the Fourth Proportional to 243,287.55, 364,941.26 and 83,473.38

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Solution

The fourth proportional to 243,287.55, 364,941.26 and 83,473.38 is: 125,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,287.55 : 364,941.26 = 83,473.38 : x
  2. Step 2: Convert to fraction form
    243,287.55/364,941.26 = 83,473.38/x
  3. Step 3: Cross multiply
    243,287.55x = 364,941.26 × 83,473.38
  4. Step 4: Simplify right side
    243,287.55x = 30,462,880,056.29
  5. Step 5: Solve for x
    x = 30,462,880,056.29/243,287.55
  6. Step 6: Final answer
    x = 125,213.48

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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.