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Finding the Fourth Proportional to 112,292.92, 154,954.91 and 63,881.97

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Solution

The fourth proportional to 112,292.92, 154,954.91 and 63,881.97 is: 88,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,292.92 : 154,954.91 = 63,881.97 : x
  2. Step 2: Convert to fraction form
    112,292.92/154,954.91 = 63,881.97/x
  3. Step 3: Cross multiply
    112,292.92x = 154,954.91 × 63,881.97
  4. Step 4: Simplify right side
    112,292.92x = 9,898,824,911.97
  5. Step 5: Solve for x
    x = 9,898,824,911.97/112,292.92
  6. Step 6: Final answer
    x = 88,151.82

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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.