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Finding the Fourth Proportional to 115,273.50, 159,077.43 and 62,281.50

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Solution

The fourth proportional to 115,273.50, 159,077.43 and 62,281.50 is: 85,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273.50 : 159,077.43 = 62,281.50 : x
  2. Step 2: Convert to fraction form
    115,273.50/159,077.43 = 62,281.50/x
  3. Step 3: Cross multiply
    115,273.50x = 159,077.43 × 62,281.50
  4. Step 4: Simplify right side
    115,273.50x = 9,907,580,956.55
  5. Step 5: Solve for x
    x = 9,907,580,956.55/115,273.50
  6. Step 6: Final answer
    x = 85,948.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.