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Finding the Fourth Proportional to 111,204.92, 153,473.76 and 63,465.41

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Solution

The fourth proportional to 111,204.92, 153,473.76 and 63,465.41 is: 87,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204.92 : 153,473.76 = 63,465.41 : x
  2. Step 2: Convert to fraction form
    111,204.92/153,473.76 = 63,465.41/x
  3. Step 3: Cross multiply
    111,204.92x = 153,473.76 × 63,465.41
  4. Step 4: Simplify right side
    111,204.92x = 9,740,274,335.27
  5. Step 5: Solve for x
    x = 9,740,274,335.27/111,204.92
  6. Step 6: Final answer
    x = 87,588.52

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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.