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Finding the Fourth Proportional to 118,350.66, 163,325.01 and 67,360.89

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Solution

The fourth proportional to 118,350.66, 163,325.01 and 67,360.89 is: 92,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.66 : 163,325.01 = 67,360.89 : x
  2. Step 2: Convert to fraction form
    118,350.66/163,325.01 = 67,360.89/x
  3. Step 3: Cross multiply
    118,350.66x = 163,325.01 × 67,360.89
  4. Step 4: Simplify right side
    118,350.66x = 11,001,718,032.86
  5. Step 5: Solve for x
    x = 11,001,718,032.86/118,350.66
  6. Step 6: Final answer
    x = 92,958.65

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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.