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Finding the Fourth Proportional to 124,483.37, 186,629.35 and 64,447.49

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Solution

The fourth proportional to 124,483.37, 186,629.35 and 64,447.49 is: 96,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,483.37 : 186,629.35 = 64,447.49 : x
  2. Step 2: Convert to fraction form
    124,483.37/186,629.35 = 64,447.49/x
  3. Step 3: Cross multiply
    124,483.37x = 186,629.35 × 64,447.49
  4. Step 4: Simplify right side
    124,483.37x = 12,027,791,912.45
  5. Step 5: Solve for x
    x = 12,027,791,912.45/124,483.37
  6. Step 6: Final answer
    x = 96,621.68

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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.