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Finding the Fourth Proportional to 243,551.26, 365,363.25 and 75,057.58

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Solution

The fourth proportional to 243,551.26, 365,363.25 and 75,057.58 is: 112,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,551.26 : 365,363.25 = 75,057.58 : x
  2. Step 2: Convert to fraction form
    243,551.26/365,363.25 = 75,057.58/x
  3. Step 3: Cross multiply
    243,551.26x = 365,363.25 × 75,057.58
  4. Step 4: Simplify right side
    243,551.26x = 27,423,281,365.94
  5. Step 5: Solve for x
    x = 27,423,281,365.94/243,551.26
  6. Step 6: Final answer
    x = 112,597.58

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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.