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Finding the Fourth Proportional to 118,233.92, 163,113.60 and 73,496

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Solution

The fourth proportional to 118,233.92, 163,113.60 and 73,496 is: 101,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.92 : 163,113.60 = 73,496 : x
  2. Step 2: Convert to fraction form
    118,233.92/163,113.60 = 73,496/x
  3. Step 3: Cross multiply
    118,233.92x = 163,113.60 × 73,496
  4. Step 4: Simplify right side
    118,233.92x = 11,988,197,145.60
  5. Step 5: Solve for x
    x = 11,988,197,145.60/118,233.92
  6. Step 6: Final answer
    x = 101,393.89

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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.