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Finding the Fourth Proportional to 118,452.37, 163,464 and 67,465.09

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Solution

The fourth proportional to 118,452.37, 163,464 and 67,465.09 is: 93,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,452.37 : 163,464 = 67,465.09 : x
  2. Step 2: Convert to fraction form
    118,452.37/163,464 = 67,465.09/x
  3. Step 3: Cross multiply
    118,452.37x = 163,464 × 67,465.09
  4. Step 4: Simplify right side
    118,452.37x = 11,028,113,471.76
  5. Step 5: Solve for x
    x = 11,028,113,471.76/118,452.37
  6. Step 6: Final answer
    x = 93,101.67

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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.