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Finding the Fourth Proportional to 118,452.41, 163,463.94 and 64,737.41

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Solution

The fourth proportional to 118,452.41, 163,463.94 and 64,737.41 is: 89,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,452.41 : 163,463.94 = 64,737.41 : x
  2. Step 2: Convert to fraction form
    118,452.41/163,463.94 = 64,737.41/x
  3. Step 3: Cross multiply
    118,452.41x = 163,463.94 × 64,737.41
  4. Step 4: Simplify right side
    118,452.41x = 10,582,232,104.00
  5. Step 5: Solve for x
    x = 10,582,232,104.00/118,452.41
  6. Step 6: Final answer
    x = 89,337.41

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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.