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Finding the Fourth Proportional to 60,140.90, 83,027.73 and 45,028.10

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Solution

The fourth proportional to 60,140.90, 83,027.73 and 45,028.10 is: 62,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.90 : 83,027.73 = 45,028.10 : x
  2. Step 2: Convert to fraction form
    60,140.90/83,027.73 = 45,028.10/x
  3. Step 3: Cross multiply
    60,140.90x = 83,027.73 × 45,028.10
  4. Step 4: Simplify right side
    60,140.90x = 3,738,580,929.21
  5. Step 5: Solve for x
    x = 3,738,580,929.21/60,140.90
  6. Step 6: Final answer
    x = 62,163.70

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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.